856724807127 has 16 divisors (see below), whose sum is σ = 1311186237440. Its totient is φ = 487419226272.

The previous prime is 856724807101. The next prime is 856724807149. The reversal of 856724807127 is 721708427658.

It is not a de Polignac number, because 856724807127 - 2¹² = 856724803031 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 (856724807927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89070343 + ... + 89079960.

It is an arithmetic number, because the mean of its divisors is an integer number (81949139840).

Almost surely, 2^856724807127 is an apocalyptic number.

856724807127 is a deficient number, since it is larger than the sum of its proper divisors (454461430313).

856724807127 is a wasteful number, since it uses less digits than its factorization.

856724807127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178150542.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 856724807127 in words is "eight hundred fifty-six billion, seven hundred twenty-four million, eight hundred seven thousand, one hundred twenty-seven".