85618686592 has 32 divisors (see below), whose sum is σ = 170652650400. Its totient is φ = 42788217600.

The previous prime is 85618686589. The next prime is 85618686613. The reversal of 85618686592 is 29568681658.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96967 + ... + 425017.

It is an arithmetic number, because the mean of its divisors is an integer number (5332895325).

Almost surely, 2^85618686592 is an apocalyptic number.

It is an amenable number.

85618686592 is a deficient number, since it is larger than the sum of its proper divisors (85033963808).

85618686592 is a wasteful number, since it uses less digits than its factorization.

85618686592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330104 (or 330092 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 64.

The spelling of 85618686592 in words is "eighty-five billion, six hundred eighteen million, six hundred eighty-six thousand, five hundred ninety-two".