856107276 has 12 divisors (see below), whose sum is σ = 1997583672. Its totient is φ = 285369088.

The previous prime is 856107269. The next prime is 856107293. The reversal of 856107276 is 672701658.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35671125 + ... + 35671148.

It is an arithmetic number, because the mean of its divisors is an integer number (166465306).

Almost surely, 2^856107276 is an apocalyptic number.

It is an amenable number.

856107276 is an abundant number, since it is smaller than the sum of its proper divisors (1141476396).

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

856107276 is a wasteful number, since it uses less digits than its factorization.

856107276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71342280 (or 71342278 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 856107276 is about 29259.3109283182. The cubic root of 856107276 is about 949.5315422577.

The spelling of 856107276 in words is "eight hundred fifty-six million, one hundred seven thousand, two hundred seventy-six".