622856503864 has 64 divisors (see below), whose sum is σ = 1428752160000. Its totient is φ = 248602825728.

The previous prime is 622856503837. The next prime is 622856503873. The reversal of 622856503864 is 468305658226.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4898169 + ... + 5023720.

It is an arithmetic number, because the mean of its divisors is an integer number (22324252500).

Almost surely, 2^622856503864 is an apocalyptic number.

It is an amenable number.

622856503864 is an abundant number, since it is smaller than the sum of its proper divisors (805895656136).

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

622856503864 is a wasteful number, since it uses less digits than its factorization.

622856503864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921980 (or 9921976 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 55.

The spelling of 622856503864 in words is "six hundred twenty-two billion, eight hundred fifty-six million, five hundred three thousand, eight hundred sixty-four".