856412312967 has 12 divisors (see below), whose sum is σ = 1237048165080. Its totient is φ = 570937777008.

The previous prime is 856412312957. The next prime is 856412312969. The reversal of 856412312967 is 769213214658.

It is a happy number.

856412312967 is a `hidden beast` number, since 8 + 564 + 1 + 2 + 3 + 12 + 9 + 67 = 666.

It is not a de Polignac number, because 856412312967 - 2¹⁴ = 856412296583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856412312969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122708 + ... + 2493734.

It is an arithmetic number, because the mean of its divisors is an integer number (103087347090).

Almost surely, 2^856412312967 is an apocalyptic number.

856412312967 is a deficient number, since it is larger than the sum of its proper divisors (380635852113).

856412312967 is a wasteful number, since it uses less digits than its factorization.

856412312967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627502 (or 627499 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 856412312967 in words is "eight hundred fifty-six billion, four hundred twelve million, three hundred twelve thousand, nine hundred sixty-seven".