86140097808 has 20 divisors (see below), whose sum is σ = 222528586128. Its totient is φ = 28713365920.

The previous prime is 86140097777. The next prime is 86140097867. The reversal of 86140097808 is 80879004168.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897292638 + ... + 897292733.

Almost surely, 2^86140097808 is an apocalyptic number.

It is an amenable number.

86140097808 is an abundant number, since it is smaller than the sum of its proper divisors (136388488320).

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

86140097808 is a wasteful number, since it uses less digits than its factorization.

86140097808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794585382 (or 1794585376 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 86140097808 in words is "eighty-six billion, one hundred forty million, ninety-seven thousand, eight hundred eight".