86718412107845 has 64 divisors (see below), whose sum is σ = 124184897280000. Its totient is φ = 58087307835648.

The previous prime is 86718412107829. The next prime is 86718412107851. The reversal of 86718412107845 is 54870121481768.

It is not a de Polignac number, because 86718412107845 - 2⁴ = 86718412107829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18731876 + ... + 22898034.

It is an arithmetic number, because the mean of its divisors is an integer number (1940389020000).

Almost surely, 2^{86718412107845} is an apocalyptic number.

It is an amenable number.

86718412107845 is a deficient number, since it is larger than the sum of its proper divisors (37466485172155).

86718412107845 is a wasteful number, since it uses less digits than its factorization.

86718412107845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166467 (or 4166453 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 62.

The spelling of 86718412107845 in words is "eighty-six trillion, seven hundred eighteen billion, four hundred twelve million, one hundred seven thousand, eight hundred forty-five".