686023120598088 has 128 divisors (see below), whose sum is σ = 2111053159756800. Its totient is φ = 180910935634176.

The previous prime is 686023120598087. The next prime is 686023120598143. The reversal of 686023120598088 is 880895021320686.

It is not an unprimeable number, because it can be changed into a prime (686023120598087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5844303 + ... + 37499361.

It is an arithmetic number, because the mean of its divisors is an integer number (16492602810600).

Almost surely, 2^{686023120598088} is an apocalyptic number.

It is an amenable number.

686023120598088 is an abundant number, since it is smaller than the sum of its proper divisors (1425030039158712).

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

686023120598088 is a wasteful number, since it uses less digits than its factorization.

686023120598088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31665011 (or 31665007 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 686023120598088 in words is "six hundred eighty-six trillion, twenty-three billion, one hundred twenty million, five hundred ninety-eight thousand, eighty-eight".