90751000457 has 32 divisors (see below), whose sum is σ = 99585110016. Its totient is φ = 82200384000.

The previous prime is 90751000429. The next prime is 90751000463. The reversal of 90751000457 is 75400015709.

It is a cyclic number.

It is not a de Polignac number, because 90751000457 - 2⁶ = 90751000393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90751000457.

It is not an unprimeable number, because it can be changed into a prime (90751000427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82275968 + ... + 82277070.

It is an arithmetic number, because the mean of its divisors is an integer number (3112034688).

Almost surely, 2^90751000457 is an apocalyptic number.

90751000457 is the 245969-th pentagonal number.

It is an amenable number.

90751000457 is a deficient number, since it is larger than the sum of its proper divisors (8834109559).

90751000457 is a wasteful number, since it uses less digits than its factorization.

90751000457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 90751000457 in words is "ninety billion, seven hundred fifty-one million, four hundred fifty-seven", and thus it is an aban number.