856592479994 has 16 divisors (see below), whose sum is σ = 1286617850880. Its totient is φ = 427720104720.

The previous prime is 856592479993. The next prime is 856592480039. The reversal of 856592479994 is 499974295658.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (856592479991) 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, 7332647 + ... + 7448549.

It is an arithmetic number, because the mean of its divisors is an integer number (80413615680).

Almost surely, 2^856592479994 is an apocalyptic number.

856592479994 is a deficient number, since it is larger than the sum of its proper divisors (430025370886).

856592479994 is a wasteful number, since it uses less digits than its factorization.

856592479994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120845.

The product of its digits is 1763596800, while the sum is 77.

The spelling of 856592479994 in words is "eight hundred fifty-six billion, five hundred ninety-two million, four hundred seventy-nine thousand, nine hundred ninety-four".