686600044023 has 8 divisors (see below), whose sum is σ = 947034543600. Its totient is φ = 441949453568.

The previous prime is 686600044007. The next prime is 686600044043. The reversal of 686600044023 is 320440006686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 686600044023 - 2⁴ = 686600044007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686600044043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945977178 + ... + 3945977351.

It is an arithmetic number, because the mean of its divisors is an integer number (118379317950).

Almost surely, 2^686600044023 is an apocalyptic number.

686600044023 is a deficient number, since it is larger than the sum of its proper divisors (260434499577).

686600044023 is a wasteful number, since it uses less digits than its factorization.

686600044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891954561.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 686600044023 in words is "six hundred eighty-six billion, six hundred million, forty-four thousand, twenty-three".