90832585085 has 32 divisors (see below), whose sum is σ = 121149302400. Its totient is φ = 64825657600.

The previous prime is 90832585069. The next prime is 90832585099. The reversal of 90832585085 is 58058523809.

It is not a de Polignac number, because 90832585085 - 2⁴ = 90832585069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 613415 + ... + 746955.

It is an arithmetic number, because the mean of its divisors is an integer number (3785915700).

Almost surely, 2^90832585085 is an apocalyptic number.

It is an amenable number.

90832585085 is a deficient number, since it is larger than the sum of its proper divisors (30316717315).

90832585085 is a wasteful number, since it uses less digits than its factorization.

90832585085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133789.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 90832585085 in words is "ninety billion, eight hundred thirty-two million, five hundred eighty-five thousand, eighty-five".