86199391098 has 12 divisors (see below), whose sum is σ = 186765347418. Its totient is φ = 28733130360.

The previous prime is 86199391081. The next prime is 86199391133. The reversal of 86199391098 is 89019399168.

86199391098 is a `hidden beast` number, since 8 + 619 + 9 + 3 + 9 + 1 + 0 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85905851409 + 293539689 = 293097^2 + 17133^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2394427513 + ... + 2394427548.

Almost surely, 2^86199391098 is an apocalyptic number.

86199391098 is an abundant number, since it is smaller than the sum of its proper divisors (100565956320).

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

86199391098 is a wasteful number, since it uses less digits than its factorization.

86199391098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788855069 (or 4788855066 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The spelling of 86199391098 in words is "eighty-six billion, one hundred ninety-nine million, three hundred ninety-one thousand, ninety-eight".