625889746896 has 80 divisors (see below), whose sum is σ = 1640380604160. Its totient is φ = 205607600640.

The previous prime is 625889746891. The next prime is 625889746897. The reversal of 625889746896 is 698647988526.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625889746891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1898926 + ... + 2204018.

It is an arithmetic number, because the mean of its divisors is an integer number (20504757552).

Almost surely, 2^625889746896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625889746896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820190302080).

625889746896 is an abundant number, since it is smaller than the sum of its proper divisors (1014490857264).

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

625889746896 is a wasteful number, since it uses less digits than its factorization.

625889746896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305724 (or 305718 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 78.

The spelling of 625889746896 in words is "six hundred twenty-five billion, eight hundred eighty-nine million, seven hundred forty-six thousand, eight hundred ninety-six".