86569839955 has 32 divisors (see below), whose sum is σ = 112187203200. Its totient is φ = 63932639232.

The previous prime is 86569839947. The next prime is 86569839997. The reversal of 86569839955 is 55993896568.

It is a cyclic number.

It is not a de Polignac number, because 86569839955 - 2³ = 86569839947 is a prime.

It is a super-3 number, since 3×86569839955³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10724661 + ... + 10732729.

It is an arithmetic number, because the mean of its divisors is an integer number (3505850100).

Almost surely, 2^86569839955 is an apocalyptic number.

86569839955 is a deficient number, since it is larger than the sum of its proper divisors (25617363245).

86569839955 is a wasteful number, since it uses less digits than its factorization.

86569839955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343.

The product of its digits is 629856000, while the sum is 73.

The spelling of 86569839955 in words is "eighty-six billion, five hundred sixty-nine million, eight hundred thirty-nine thousand, nine hundred fifty-five".