86877817659 has 12 divisors (see below), whose sum is σ = 127547397952. Its totient is φ = 56969060400.

The previous prime is 86877817633. The next prime is 86877817667. The reversal of 86877817659 is 95671877868.

It is not a de Polignac number, because 86877817659 - 2¹⁵ = 86877784891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86877817619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79123147 + ... + 79124244.

Almost surely, 2^86877817659 is an apocalyptic number.

86877817659 is a deficient number, since it is larger than the sum of its proper divisors (40669580293).

86877817659 is a wasteful number, since it uses less digits than its factorization.

86877817659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158247458 (or 158247455 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 72.

The spelling of 86877817659 in words is "eighty-six billion, eight hundred seventy-seven million, eight hundred seventeen thousand, six hundred fifty-nine".