90880156406331 has 32 divisors (see below), whose sum is σ = 142012083628800. Its totient is φ = 57281093170560.

The previous prime is 90880156406327. The next prime is 90880156406339. The reversal of 90880156406331 is 13360465108809.

90880156406331 is a `hidden beast` number, since 9 + 0 + 8 + 80 + 156 + 406 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 90880156406331 - 2² = 90880156406327 is a prime.

It is a super-2 number, since 2×90880156406331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90880156406339) 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, 180149646 + ... + 180653411.

It is an arithmetic number, because the mean of its divisors is an integer number (4437877613400).

Almost surely, 2^{90880156406331} is an apocalyptic number.

90880156406331 is a deficient number, since it is larger than the sum of its proper divisors (51131927222469).

90880156406331 is a wasteful number, since it uses less digits than its factorization.

90880156406331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360803576 (or 360803570 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 90880156406331 in words is "ninety trillion, eight hundred eighty billion, one hundred fifty-six million, four hundred six thousand, three hundred thirty-one".