90938474585 has 16 divisors (see below), whose sum is σ = 124722243072. Its totient is φ = 62354500800.

The previous prime is 90938474573. The next prime is 90938474591. The reversal of 90938474585 is 58547483909.

It is not a de Polignac number, because 90938474585 - 2⁴ = 90938474569 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, 730175 + ... + 845595.

It is an arithmetic number, because the mean of its divisors is an integer number (7795140192).

Almost surely, 2^90938474585 is an apocalyptic number.

It is an amenable number.

90938474585 is a deficient number, since it is larger than the sum of its proper divisors (33783768487).

90938474585 is a wasteful number, since it uses less digits than its factorization.

90938474585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137944.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 90938474585 in words is "ninety billion, nine hundred thirty-eight million, four hundred seventy-four thousand, five hundred eighty-five".