86543013657 has 16 divisors (see below), whose sum is σ = 117760016192. Its totient is φ = 56520192960.

The previous prime is 86543013647. The next prime is 86543013659. The reversal of 86543013657 is 75631034568.

It is not a de Polignac number, because 86543013657 - 2²³ = 86534625049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86543013659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153018 + ... + 1225779.

It is an arithmetic number, because the mean of its divisors is an integer number (7360001012).

Almost surely, 2^86543013657 is an apocalyptic number.

It is an amenable number.

86543013657 is a deficient number, since it is larger than the sum of its proper divisors (31217002535).

86543013657 is a wasteful number, since it uses less digits than its factorization.

86543013657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379048.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 86543013657 in words is "eighty-six billion, five hundred forty-three million, thirteen thousand, six hundred fifty-seven".