686877162860 has 24 divisors (see below), whose sum is σ = 1648505191200. Its totient is φ = 235500741504.

The previous prime is 686877162841. The next prime is 686877162901. The reversal of 686877162860 is 68261778686.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

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, 2453132585 + ... + 2453132864.

It is an arithmetic number, because the mean of its divisors is an integer number (68687716300).

Almost surely, 2^686877162860 is an apocalyptic number.

It is an amenable number.

686877162860 is an abundant number, since it is smaller than the sum of its proper divisors (961628028340).

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

686877162860 is a wasteful number, since it uses less digits than its factorization.

686877162860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906265465 (or 4906265463 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 65.

The spelling of 686877162860 in words is "six hundred eighty-six billion, eight hundred seventy-seven million, one hundred sixty-two thousand, eight hundred sixty".