86256214550 has 48 divisors (see below), whose sum is σ = 176988337200. Its totient is φ = 31013452800.

The previous prime is 86256214549. The next prime is 86256214567. The reversal of 86256214550 is 5541265268.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 832115 + ... + 930014.

It is an arithmetic number, because the mean of its divisors is an integer number (3687257025).

Almost surely, 2^86256214550 is an apocalyptic number.

86256214550 is an abundant number, since it is smaller than the sum of its proper divisors (90732122650).

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

86256214550 is a wasteful number, since it uses less digits than its factorization.

86256214550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762241 (or 1762236 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 86256214550 in words is "eighty-six billion, two hundred fifty-six million, two hundred fourteen thousand, five hundred fifty".