86264693690 has 64 divisors (see below), whose sum is σ = 187042037760. Its totient is φ = 28017749760.

The previous prime is 86264693687. The next prime is 86264693747. The reversal of 86264693690 is 9639646268.

It is a super-2 number, since 2×86264693690² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 293306 + ... + 508485.

It is an arithmetic number, because the mean of its divisors is an integer number (2922531840).

Almost surely, 2^86264693690 is an apocalyptic number.

86264693690 is an abundant number, since it is smaller than the sum of its proper divisors (100777344070).

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

86264693690 is a wasteful number, since it uses less digits than its factorization.

86264693690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801887.

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 86264693690 in words is "eighty-six billion, two hundred sixty-four million, six hundred ninety-three thousand, six hundred ninety".