86257862734 has 64 divisors (see below), whose sum is σ = 139476639744. Its totient is φ = 39918928896.

The previous prime is 86257862689. The next prime is 86257862737. The reversal of 86257862734 is 43726875268.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86257862737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39082659 + ... + 39084865.

It is an arithmetic number, because the mean of its divisors is an integer number (2179322496).

Almost surely, 2^86257862734 is an apocalyptic number.

86257862734 is a deficient number, since it is larger than the sum of its proper divisors (53218777010).

86257862734 is a wasteful number, since it uses less digits than its factorization.

86257862734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its digits is 27095040, while the sum is 58.

The spelling of 86257862734 in words is "eighty-six billion, two hundred fifty-seven million, eight hundred sixty-two thousand, seven hundred thirty-four".