86564606756 has 6 divisors (see below), whose sum is σ = 151488061830. Its totient is φ = 43282303376.

The previous prime is 86564606743. The next prime is 86564606761. The reversal of 86564606756 is 65760646568.

It can be written as a sum of positive squares in only one way, i.e., 62983933156 + 23580673600 = 250966^2 + 153560^2 .

It is a super-2 number, since 2×86564606756² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86564606695 and 86564606704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10820575841 + ... + 10820575848.

It is an arithmetic number, because the mean of its divisors is an integer number (25248010305).

Almost surely, 2^86564606756 is an apocalyptic number.

It is an amenable number.

86564606756 is a deficient number, since it is larger than the sum of its proper divisors (64923455074).

86564606756 is a wasteful number, since it uses less digits than its factorization.

86564606756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641151693 (or 21641151691 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 86564606756 in words is "eighty-six billion, five hundred sixty-four million, six hundred six thousand, seven hundred fifty-six".