85603572612 has 18 divisors (see below), whose sum is σ = 216386808638. Its totient is φ = 28534524192.

The previous prime is 85603572589. The next prime is 85603572653. The reversal of 85603572612 is 21627530658.

85603572612 is a `hidden beast` number, since 8 + 5 + 60 + 3 + 572 + 6 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53571879936 + 32031692676 = 231456^2 + 178974^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1188938473 + ... + 1188938544.

Almost surely, 2^85603572612 is an apocalyptic number.

It is an amenable number.

85603572612 is an abundant number, since it is smaller than the sum of its proper divisors (130783236026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85603572612 is a wasteful number, since it uses less digits than its factorization.

85603572612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377877027 (or 2377877022 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 85603572612 in words is "eighty-five billion, six hundred three million, five hundred seventy-two thousand, six hundred twelve".