86837867557 has 16 divisors (see below), whose sum is σ = 103570163712. Its totient is φ = 71188040880.

The previous prime is 86837867551. The next prime is 86837867561. The reversal of 86837867557 is 75576873868.

It is a cyclic number.

It is not a de Polignac number, because 86837867557 - 2¹⁹ = 86837343269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86837867551) 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, 1646998 + ... + 1698904.

It is an arithmetic number, because the mean of its divisors is an integer number (6473135232).

Almost surely, 2^86837867557 is an apocalyptic number.

It is an amenable number.

86837867557 is a deficient number, since it is larger than the sum of its proper divisors (16732296155).

86837867557 is a wasteful number, since it uses less digits than its factorization.

86837867557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62328.

The product of its digits is 474163200, while the sum is 70.

The spelling of 86837867557 in words is "eighty-six billion, eight hundred thirty-seven million, eight hundred sixty-seven thousand, five hundred fifty-seven".