86550286866 has 16 divisors (see below), whose sum is σ = 173112449664. Its totient is φ = 28848116304.

The previous prime is 86550286819. The next prime is 86550286939. The reversal of 86550286866 is 66868205568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398650 + ... + 576213.

It is an arithmetic number, because the mean of its divisors is an integer number (10819528104).

Almost surely, 2^86550286866 is an apocalyptic number.

86550286866 is an abundant number, since it is smaller than the sum of its proper divisors (86562162798).

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

86550286866 is a wasteful number, since it uses less digits than its factorization.

86550286866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989665.

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 86550286866 in words is "eighty-six billion, five hundred fifty million, two hundred eighty-six thousand, eight hundred sixty-six".