86573331612 has 36 divisors (see below), whose sum is σ = 218908545856. Its totient is φ = 28848493440.

The previous prime is 86573331587. The next prime is 86573331697. The reversal of 86573331612 is 21613337568.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272908 + ... + 497619.

Almost surely, 2^86573331612 is an apocalyptic number.

It is an amenable number.

86573331612 is an abundant number, since it is smaller than the sum of its proper divisors (132335214244).

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

86573331612 is a wasteful number, since it uses less digits than its factorization.

86573331612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773658 (or 773653 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 86573331612 in words is "eighty-six billion, five hundred seventy-three million, three hundred thirty-one thousand, six hundred twelve".