90797176556 has 24 divisors (see below), whose sum is σ = 160674974880. Its totient is φ = 44892859392.

The previous prime is 90797176541. The next prime is 90797176601. The reversal of 90797176556 is 65567179709.

It is a super-2 number, since 2×90797176556² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223211 + ... + 481058.

It is an arithmetic number, because the mean of its divisors is an integer number (6694790620).

Almost surely, 2^90797176556 is an apocalyptic number.

It is an amenable number.

90797176556 is a deficient number, since it is larger than the sum of its proper divisors (69877798324).

90797176556 is a wasteful number, since it uses less digits than its factorization.

90797176556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704633 (or 704631 counting only the distinct ones).

The product of its (nonzero) digits is 25004700, while the sum is 62.

The spelling of 90797176556 in words is "ninety billion, seven hundred ninety-seven million, one hundred seventy-six thousand, five hundred fifty-six".