86881563568 has 20 divisors (see below), whose sum is σ = 177192663160. Its totient is φ = 41154424704.

The previous prime is 86881563557. The next prime is 86881563569. The reversal of 86881563568 is 86536518868.

It is not an unprimeable number, because it can be changed into a prime (86881563569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142897005 + ... + 142897612.

It is an arithmetic number, because the mean of its divisors is an integer number (8859633158).

Almost surely, 2^86881563568 is an apocalyptic number.

It is an amenable number.

86881563568 is an abundant number, since it is smaller than the sum of its proper divisors (90311099592).

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

86881563568 is a wasteful number, since it uses less digits than its factorization.

86881563568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285794644 (or 285794638 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 64.

The spelling of 86881563568 in words is "eighty-six billion, eight hundred eighty-one million, five hundred sixty-three thousand, five hundred sixty-eight".