856308676746 has 32 divisors (see below), whose sum is σ = 1723886979840. Its totient is φ = 283562072064.

The previous prime is 856308676733. The next prime is 856308676793. The reversal of 856308676746 is 647676803658.

It is a super-2 number, since 2×856308676746² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318366 + ... + 1346838.

It is an arithmetic number, because the mean of its divisors is an integer number (53871468120).

Almost surely, 2^856308676746 is an apocalyptic number.

856308676746 is an abundant number, since it is smaller than the sum of its proper divisors (867578303094).

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

856308676746 is a wasteful number, since it uses less digits than its factorization.

856308676746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029390.

The product of its (nonzero) digits is 243855360, while the sum is 66.

The spelling of 856308676746 in words is "eight hundred fifty-six billion, three hundred eight million, six hundred seventy-six thousand, seven hundred forty-six".