85712364145872 has 30 divisors (see below), whose sum is σ = 239875574658642. Its totient is φ = 28570788048576.

The previous prime is 85712364145813. The next prime is 85712364145897. The reversal of 85712364145872 is 27854146321758.

85712364145872 is a `hidden beast` number, since 8 + 5 + 7 + 1 + 2 + 3 + 6 + 41 + 4 + 587 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59329800277056 + 26382563868816 = 7702584^2 + 5136396^2 .

It is a congruent number.

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, 297612375363 + ... + 297612375650.

Almost surely, 2^{85712364145872} is an apocalyptic number.

It is an amenable number.

85712364145872 is an abundant number, since it is smaller than the sum of its proper divisors (154163210512770).

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

85712364145872 is a wasteful number, since it uses less digits than its factorization.

85712364145872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595224751027 (or 595224751018 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 85712364145872 in words is "eighty-five trillion, seven hundred twelve billion, three hundred sixty-four million, one hundred forty-five thousand, eight hundred seventy-two".