Search a number
-
+
8808889069 is a prime number
BaseRepresentation
bin10000011010000110…
…01111101011101101
3211201220110221002201
420031003033223231
5121020033422234
64014033021501
7431202215221
oct101503175355
924656427081
108808889069
11381042a812
12185a0b4891
13aa4cb8cc6
145d7ca8781
1536852b314
hex20d0cfaed

8808889069 has 2 divisors, whose sum is σ = 8808889070. Its totient is φ = 8808889068.

The previous prime is 8808889027. The next prime is 8808889121. The reversal of 8808889069 is 9609888088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8791500169 + 17388900 = 93763^2 + 4170^2 .

It is a cyclic number.

It is not a de Polignac number, because 8808889069 - 27 = 8808888941 is a prime.

It is a super-2 number, since 2×88088890692 (a number of 21 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 8808889069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8808884069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4404444534 + 4404444535.

It is an arithmetic number, because the mean of its divisors is an integer number (4404444535).

Almost surely, 28808889069 is an apocalyptic number.

It is an amenable number.

8808889069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8808889069 is an equidigital number, since it uses as much as digits as its factorization.

8808889069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15925248, while the sum is 64.

The square root of 8808889069 is about 93855.6821348606. The cubic root of 8808889069 is about 2065.2551491914.

The spelling of 8808889069 in words is "eight billion, eight hundred eight million, eight hundred eighty-nine thousand, sixty-nine".