868472424656 has 20 divisors (see below), whose sum is σ = 1682694300672. Its totient is φ = 434228734176.

The previous prime is 868472424653. The next prime is 868472424667. The reversal of 868472424656 is 656424274868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868472424653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559031 + ... + 1431593.

Almost surely, 2^868472424656 is an apocalyptic number.

It is an amenable number.

868472424656 is a deficient number, since it is larger than the sum of its proper divisors (814221876016).

868472424656 is a wasteful number, since it uses less digits than its factorization.

868472424656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934778 (or 934772 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 62.

The spelling of 868472424656 in words is "eight hundred sixty-eight billion, four hundred seventy-two million, four hundred twenty-four thousand, six hundred fifty-six".