90910032479 has 8 divisors (see below), whose sum is σ = 103923102240. Its totient is φ = 77903443296.

The previous prime is 90910032463. The next prime is 90910032511. The reversal of 90910032479 is 97423001909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90910032479 - 2⁴ = 90910032463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90910032449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590044 + ... + 1646225.

It is an arithmetic number, because the mean of its divisors is an integer number (12990387780).

Almost surely, 2^90910032479 is an apocalyptic number.

90910032479 is a deficient number, since it is larger than the sum of its proper divisors (13013069761).

90910032479 is a wasteful number, since it uses less digits than its factorization.

90910032479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240289.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 90910032479 in words is "ninety billion, nine hundred ten million, thirty-two thousand, four hundred seventy-nine".