712215882864 has 40 divisors (see below), whose sum is σ = 2044323368720. Its totient is φ = 237405294144.

The previous prime is 712215882863. The next prime is 712215882877. The reversal of 712215882864 is 468288512217.

712215882864 is a `hidden beast` number, since 7 + 12 + 21 + 588 + 28 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 712215882864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712215882863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824323507 + ... + 824324370.

It is an arithmetic number, because the mean of its divisors is an integer number (51108084218).

Almost surely, 2^712215882864 is an apocalyptic number.

It is an amenable number.

712215882864 is an abundant number, since it is smaller than the sum of its proper divisors (1332107485856).

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

712215882864 is a wasteful number, since it uses less digits than its factorization.

712215882864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648647894 (or 1648647882 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 712215882864 in words is "seven hundred twelve billion, two hundred fifteen million, eight hundred eighty-two thousand, eight hundred sixty-four".