85758861612 has 24 divisors (see below), whose sum is σ = 200120648112. Its totient is φ = 28583910400.

The previous prime is 85758861607. The next prime is 85758861641. The reversal of 85758861612 is 21616885758.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143589 + ... + 438332.

It is an arithmetic number, because the mean of its divisors is an integer number (8338360338).

Almost surely, 2^85758861612 is an apocalyptic number.

It is an amenable number.

85758861612 is an abundant number, since it is smaller than the sum of its proper divisors (114361786500).

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

85758861612 is a wasteful number, since it uses less digits than its factorization.

85758861612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594209 (or 594207 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 57.

The spelling of 85758861612 in words is "eighty-five billion, seven hundred fifty-eight million, eight hundred sixty-one thousand, six hundred twelve".