90588817830391 has 16 divisors (see below), whose sum is σ = 104447446639200. Its totient is φ = 77987426807808.

The previous prime is 90588817830383. The next prime is 90588817830409. The reversal of 90588817830391 is 19303871888509.

It is a cyclic number.

It is not a de Polignac number, because 90588817830391 - 2³ = 90588817830383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90588817830391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90588817810391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4835520570 + ... + 4835539303.

It is an arithmetic number, because the mean of its divisors is an integer number (6527965414950).

Almost surely, 2^{90588817830391} is an apocalyptic number.

90588817830391 is a deficient number, since it is larger than the sum of its proper divisors (13858628808809).

90588817830391 is a wasteful number, since it uses less digits than its factorization.

90588817830391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671059938.

The product of its (nonzero) digits is 104509440, while the sum is 70.

The spelling of 90588817830391 in words is "ninety trillion, five hundred eighty-eight billion, eight hundred seventeen million, eight hundred thirty thousand, three hundred ninety-one".