625978604860 has 48 divisors (see below), whose sum is σ = 1503764982720. Its totient is φ = 214418903040.

The previous prime is 625978604777. The next prime is 625978604873. The reversal of 625978604860 is 68406879526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958565 + ... + 2255644.

It is an arithmetic number, because the mean of its divisors is an integer number (31328437140).

Almost surely, 2^625978604860 is an apocalyptic number.

It is an amenable number.

625978604860 is an abundant number, since it is smaller than the sum of its proper divisors (877786377860).

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

625978604860 is a wasteful number, since it uses less digits than its factorization.

625978604860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215286 (or 4215284 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 625978604860 in words is "six hundred twenty-five billion, nine hundred seventy-eight million, six hundred four thousand, eight hundred sixty".