86550558498 has 48 divisors (see below), whose sum is σ = 193585597920. Its totient is φ = 27929849472.

The previous prime is 86550558463. The next prime is 86550558511. The reversal of 86550558498 is 89485505568.

86550558498 is a `hidden beast` number, since 86 + 5 + 505 + 5 + 8 + 49 + 8 = 666.

It is a Curzon 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, 407328 + ... + 582251.

It is an arithmetic number, because the mean of its divisors is an integer number (4033033290).

Almost surely, 2^86550558498 is an apocalyptic number.

86550558498 is an abundant number, since it is smaller than the sum of its proper divisors (107035039422).

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

86550558498 is a wasteful number, since it uses less digits than its factorization.

86550558498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989743 (or 989740 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 63.

The spelling of 86550558498 in words is "eighty-six billion, five hundred fifty million, five hundred fifty-eight thousand, four hundred ninety-eight".