686062863 has 24 divisors (see below), whose sum is σ = 1051863696. Its totient is φ = 429408000.

The previous prime is 686062859. The next prime is 686062873. The reversal of 686062863 is 368260686.

It is not a de Polignac number, because 686062863 - 2² = 686062859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686062823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59088 + ... + 69738.

It is an arithmetic number, because the mean of its divisors is an integer number (43827654).

Almost surely, 2^686062863 is an apocalyptic number.

686062863 is a deficient number, since it is larger than the sum of its proper divisors (365800833).

686062863 is a wasteful number, since it uses less digits than its factorization.

686062863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095 (or 11092 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 686062863 is about 26192.8017401728. The cubic root of 686062863 is about 881.9716737012.

The spelling of 686062863 in words is "six hundred eighty-six million, sixty-two thousand, eight hundred sixty-three".