86564846568 has 32 divisors (see below), whose sum is σ = 219376670400. Its totient is φ = 28459675008.

The previous prime is 86564846521. The next prime is 86564846569.

86564846568 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×86564846568² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86564846499 and 86564846508.

It is not an unprimeable number, because it can be changed into a prime (86564846569) 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, 24702828 + ... + 24706331.

It is an arithmetic number, because the mean of its divisors is an integer number (6855520950).

Almost surely, 2^86564846568 is an apocalyptic number.

It is an amenable number.

86564846568 is an abundant number, since it is smaller than the sum of its proper divisors (132811823832).

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

86564846568 is a wasteful number, since it uses less digits than its factorization.

86564846568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49409241 (or 49409237 counting only the distinct ones).

The product of its digits is 265420800, while the sum is 66.

The spelling of 86564846568 in words is "eighty-six billion, five hundred sixty-four million, eight hundred forty-six thousand, five hundred sixty-eight".