86645728176 has 80 divisors (see below), whose sum is σ = 260147040000. Its totient is φ = 24336324864.

The previous prime is 86645728171. The next prime is 86645728181. The reversal of 86645728176 is 67182754668.

It is an interprime number because it is at equal distance from previous prime (86645728171) and next prime (86645728181).

It is a super-2 number, since 2×86645728176² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86645728171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165551 + ... + 2205198.

It is an arithmetic number, because the mean of its divisors is an integer number (3251838000).

Almost surely, 2^86645728176 is an apocalyptic number.

It is an amenable number.

86645728176 is an abundant number, since it is smaller than the sum of its proper divisors (173501311824).

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

86645728176 is a wasteful number, since it uses less digits than its factorization.

86645728176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370826 (or 4370820 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 86645728176 in words is "eighty-six billion, six hundred forty-five million, seven hundred twenty-eight thousand, one hundred seventy-six".