625525985067776 has 72 divisors (see below), whose sum is σ = 1357710224401440. Its totient is φ = 285901346267136.

The previous prime is 625525985067773. The next prime is 625525985067779. The reversal of 625525985067776 is 677760589525526.

It is an interprime number because it is at equal distance from previous prime (625525985067773) and next prime (625525985067779).

It is a self number, because there is not a number n which added to its sum of digits gives 625525985067776.

It is not an unprimeable number, because it can be changed into a prime (625525985067773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912077261 + ... + 912762828.

It is an arithmetic number, because the mean of its divisors is an integer number (18857086450020).

Almost surely, 2^{625525985067776} is an apocalyptic number.

It is an amenable number.

625525985067776 is an abundant number, since it is smaller than the sum of its proper divisors (732184239333664).

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

625525985067776 is a wasteful number, since it uses less digits than its factorization.

625525985067776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824840221 (or 1824840207 counting only the distinct ones).

The product of its (nonzero) digits is 13335840000, while the sum is 80.

The spelling of 625525985067776 in words is "six hundred twenty-five trillion, five hundred twenty-five billion, nine hundred eighty-five million, sixty-seven thousand, seven hundred seventy-six".