856011492679 has 8 divisors (see below), whose sum is σ = 978308402688. Its totient is φ = 733716971160.

The previous prime is 856011492671. The next prime is 856011492703. The reversal of 856011492679 is 976294110658.

856011492679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 856011492679 - 2³ = 856011492671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856011492671) 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, 251214 + ... + 1332340.

It is an arithmetic number, because the mean of its divisors is an integer number (122288550336).

Almost surely, 2^856011492679 is an apocalyptic number.

856011492679 is a deficient number, since it is larger than the sum of its proper divisors (122296910009).

856011492679 is a wasteful number, since it uses less digits than its factorization.

856011492679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194245.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 856011492679 in words is "eight hundred fifty-six billion, eleven million, four hundred ninety-two thousand, six hundred seventy-nine".