90007885158 has 8 divisors (see below), whose sum is σ = 180015770328. Its totient is φ = 30002628384.

The previous prime is 90007885127. The next prime is 90007885159. The reversal of 90007885158 is 85158870009.

It is a sphenic number, since it is the product of 3 distinct primes.

90007885158 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90007885158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90007885159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7500657091 + ... + 7500657102.

It is an arithmetic number, because the mean of its divisors is an integer number (22501971291).

Almost surely, 2^90007885158 is an apocalyptic number.

90007885158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90007885158 is a wasteful number, since it uses less digits than its factorization.

90007885158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001314198.

The product of its (nonzero) digits is 806400, while the sum is 51.

The spelling of 90007885158 in words is "ninety billion, seven million, eight hundred eighty-five thousand, one hundred fifty-eight".