Search a number
-
+
98888888869 is a prime number
BaseRepresentation
bin101110000011000111…
…1001011001000100101
3100110020201220001022121
41130012033023020211
53110011023420434
6113232352025541
710100362454311
oct1340617131045
9313221801277
1098888888869
1138a36221941
12171b98322b1
13942c56b534
144b0166cb41
15288b90b7b4
hex17063cb225

98888888869 has 2 divisors, whose sum is σ = 98888888870. Its totient is φ = 98888888868.

The previous prime is 98888888851. The next prime is 98888888957. The reversal of 98888888869 is 96888888889.

It is an a-pointer prime, because the next prime (98888888957) can be obtained adding 98888888869 to its sum of digits (88).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65009700900 + 33879187969 = 254970^2 + 184063^2 .

It is a cyclic number.

It is not a de Polignac number, because 98888888869 - 219 = 98888364581 is a prime.

It is a super-2 number, since 2×988888888692 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98888888869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98888888569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49444444434 + 49444444435.

It is an arithmetic number, because the mean of its divisors is an integer number (49444444435).

Almost surely, 298888888869 is an apocalyptic number.

It is an amenable number.

98888888869 is a deficient number, since it is larger than the sum of its proper divisors (1).

98888888869 is an equidigital number, since it uses as much as digits as its factorization.

98888888869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8153726976, while the sum is 88.

The spelling of 98888888869 in words is "ninety-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-nine".