90008881925 has 12 divisors (see below), whose sum is σ = 117485278080. Its totient is φ = 68217257520.

The previous prime is 90008881909. The next prime is 90008881939. The reversal of 90008881925 is 52918880009.

It is not a de Polignac number, because 90008881925 - 2⁴ = 90008881909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94745717 + ... + 94746666.

It is an arithmetic number, because the mean of its divisors is an integer number (9790439840).

Almost surely, 2^90008881925 is an apocalyptic number.

90008881925 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

90008881925 is a deficient number, since it is larger than the sum of its proper divisors (27476396155).

90008881925 is a wasteful number, since it uses less digits than its factorization.

90008881925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189492412 (or 189492407 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 90008881925 in words is "ninety billion, eight million, eight hundred eighty-one thousand, nine hundred twenty-five".