98805869 has 2 divisors, whose sum is σ = 98805870. Its totient is φ = 98805868.

The previous prime is 98805857. The next prime is 98805877. The reversal of 98805869 is 96850889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98763844 + 42025 = 9938^2 + 205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98805869 is a prime.

It is a super-2 number, since 2×98805869² = 19525199497690322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98805869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98805829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49402934 + 49402935.

It is an arithmetic number, because the mean of its divisors is an integer number (49402935).

Almost surely, 2^98805869 is an apocalyptic number.

It is an amenable number.

98805869 is a deficient number, since it is larger than the sum of its proper divisors (1).

98805869 is an equidigital number, since it uses as much as digits as its factorization.

98805869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 98805869 is about 9940.1141341536. The cubic root of 98805869 is about 462.3039250678.

The spelling of 98805869 in words is "ninety-eight million, eight hundred five thousand, eight hundred sixty-nine".