86556916745 has 48 divisors (see below), whose sum is σ = 113849424000. Its totient is φ = 63139834368.

The previous prime is 86556916723. The next prime is 86556916829. The reversal of 86556916745 is 54761965568.

It is not a de Polignac number, because 86556916745 - 2⁸ = 86556916489 is a prime.

It is a super-2 number, since 2×86556916745² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43429469 + ... + 43431461.

It is an arithmetic number, because the mean of its divisors is an integer number (2371863000).

Almost surely, 2^86556916745 is an apocalyptic number.

It is an amenable number.

86556916745 is a deficient number, since it is larger than the sum of its proper divisors (27292507255).

86556916745 is a wasteful number, since it uses less digits than its factorization.

86556916745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2613 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 62.

The spelling of 86556916745 in words is "eighty-six billion, five hundred fifty-six million, nine hundred sixteen thousand, seven hundred forty-five".