90312924751 has 16 divisors (see below), whose sum is σ = 108697749760. Its totient is φ = 73302641280.

The previous prime is 90312924733. The next prime is 90312924761. The reversal of 90312924751 is 15742921309.

It is a cyclic number.

It is not a de Polignac number, because 90312924751 - 2¹¹ = 90312922703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90312924698 and 90312924707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90312924721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130300 + ... + 444526.

It is an arithmetic number, because the mean of its divisors is an integer number (6793609360).

Almost surely, 2^90312924751 is an apocalyptic number.

90312924751 is a deficient number, since it is larger than the sum of its proper divisors (18384825009).

90312924751 is a wasteful number, since it uses less digits than its factorization.

90312924751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316414.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 90312924751 in words is "ninety billion, three hundred twelve million, nine hundred twenty-four thousand, seven hundred fifty-one".