90745057356 has 24 divisors (see below), whose sum is σ = 211786745520. Its totient is φ = 30241455552.

The previous prime is 90745057327. The next prime is 90745057357. The reversal of 90745057356 is 65375054709.

It is a junction number, because it is equal to n+sod(n) for n = 90745057299 and 90745057308.

It is not an unprimeable number, because it can be changed into a prime (90745057357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807151 + ... + 912678.

It is an arithmetic number, because the mean of its divisors is an integer number (8824447730).

Almost surely, 2^90745057356 is an apocalyptic number.

It is an amenable number.

90745057356 is an abundant number, since it is smaller than the sum of its proper divisors (121041688164).

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

90745057356 is a wasteful number, since it uses less digits than its factorization.

90745057356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724233 (or 1724231 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 51.

The spelling of 90745057356 in words is "ninety billion, seven hundred forty-five million, fifty-seven thousand, three hundred fifty-six".