625475904822 has 48 divisors (see below), whose sum is σ = 1375986476592. Its totient is φ = 205296252480.

The previous prime is 625475904749. The next prime is 625475904839. The reversal of 625475904822 is 228409574526.

625475904822 is a `hidden beast` number, since 6 + 2 + 5 + 4 + 7 + 590 + 48 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2882572 + ... + 3091952.

It is an arithmetic number, because the mean of its divisors is an integer number (28666384929).

Almost surely, 2^625475904822 is an apocalyptic number.

625475904822 is an abundant number, since it is smaller than the sum of its proper divisors (750510571770).

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

625475904822 is a wasteful number, since it uses less digits than its factorization.

625475904822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211933 (or 211930 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 625475904822 in words is "six hundred twenty-five billion, four hundred seventy-five million, nine hundred four thousand, eight hundred twenty-two".