90729794595 has 16 divisors (see below), whose sum is σ = 158364732672. Its totient is φ = 43990203360.

The previous prime is 90729794587. The next prime is 90729794609. The reversal of 90729794595 is 59549792709.

It is not a de Polignac number, because 90729794595 - 2³ = 90729794587 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274938607 + ... + 274938936.

It is an arithmetic number, because the mean of its divisors is an integer number (9897795792).

Almost surely, 2^90729794595 is an apocalyptic number.

90729794595 is a deficient number, since it is larger than the sum of its proper divisors (67634938077).

90729794595 is a wasteful number, since it uses less digits than its factorization.

90729794595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549877562.

The product of its (nonzero) digits is 64297800, while the sum is 66.

The spelling of 90729794595 in words is "ninety billion, seven hundred twenty-nine million, seven hundred ninety-four thousand, five hundred ninety-five".