86563236568 has 32 divisors (see below), whose sum is σ = 168290791200. Its totient is φ = 41692589568.

The previous prime is 86563236541. The next prime is 86563236569.

86563236568 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86563236569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330396 + ... + 531307.

It is an arithmetic number, because the mean of its divisors is an integer number (5259087225).

Almost surely, 2^86563236568 is an apocalyptic number.

It is an amenable number.

86563236568 is a deficient number, since it is larger than the sum of its proper divisors (81727554632).

86563236568 is a wasteful number, since it uses less digits than its factorization.

86563236568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862171 (or 862167 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 58.

The spelling of 86563236568 in words is "eighty-six billion, five hundred sixty-three million, two hundred thirty-six thousand, five hundred sixty-eight".