86257805718 has 24 divisors (see below), whose sum is σ = 200681426232. Its totient is φ = 24645087264.

The previous prime is 86257805687. The next prime is 86257805723. The reversal of 86257805718 is 81750875268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146696655 + ... + 146697242.

It is an arithmetic number, because the mean of its divisors is an integer number (8361726093).

Almost surely, 2^86257805718 is an apocalyptic number.

86257805718 is an abundant number, since it is smaller than the sum of its proper divisors (114423620514).

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

86257805718 is a wasteful number, since it uses less digits than its factorization.

86257805718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293393916 (or 293393909 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 86257805718 in words is "eighty-six billion, two hundred fifty-seven million, eight hundred five thousand, seven hundred eighteen".