86494812372 has 18 divisors (see below), whose sum is σ = 218639664698. Its totient is φ = 28831604112.

The previous prime is 86494812331. The next prime is 86494812389. The reversal of 86494812372 is 27321849468.

86494812372 is a `hidden beast` number, since 8 + 6 + 494 + 81 + 2 + 3 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67274871876 + 19219940496 = 259374^2 + 138636^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1201316803 + ... + 1201316874.

Almost surely, 2^86494812372 is an apocalyptic number.

It is an amenable number.

86494812372 is an abundant number, since it is smaller than the sum of its proper divisors (132144852326).

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

86494812372 is a wasteful number, since it uses less digits than its factorization.

86494812372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402633687 (or 2402633682 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 86494812372 in words is "eighty-six billion, four hundred ninety-four million, eight hundred twelve thousand, three hundred seventy-two".