90399895882 has 16 divisors (see below), whose sum is σ = 135847723752. Its totient is φ = 45117374400.

The previous prime is 90399895867. The next prime is 90399895897. The reversal of 90399895882 is 28859899309.

It is an interprime number because it is at equal distance from previous prime (90399895867) and next prime (90399895897).

It can be written as a sum of positive squares in 4 ways, for example, as 89898628561 + 501267321 = 299831^2 + 22389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909868 + ... + 3932920.

Almost surely, 2^90399895882 is an apocalyptic number.

90399895882 is a deficient number, since it is larger than the sum of its proper divisors (45447827870).

90399895882 is a wasteful number, since it uses less digits than its factorization.

90399895882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26553.

The product of its (nonzero) digits is 100776960, while the sum is 70.

The spelling of 90399895882 in words is "ninety billion, three hundred ninety-nine million, eight hundred ninety-five thousand, eight hundred eighty-two".