86252777028 has 72 divisors (see below), whose sum is σ = 239814390816. Its totient is φ = 26137190640.

The previous prime is 86252776993. The next prime is 86252777047. The reversal of 86252777028 is 82077725268.

86252777028 is a `hidden beast` number, since 8 + 625 + 2 + 7 + 7 + 7 + 0 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852126 + ... + 947957.

It is an arithmetic number, because the mean of its divisors is an integer number (3330755428).

Almost surely, 2^86252777028 is an apocalyptic number.

It is an amenable number.

86252777028 is an abundant number, since it is smaller than the sum of its proper divisors (153561613788).

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

86252777028 is a wasteful number, since it uses less digits than its factorization.

86252777028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800126 (or 1800099 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 86252777028 in words is "eighty-six billion, two hundred fifty-two million, seven hundred seventy-seven thousand, twenty-eight".