625798992 has 240 divisors, whose sum is σ = 2055826752. Its totient is φ = 162570240.

The previous prime is 625798981. The next prime is 625799011. The reversal of 625798992 is 299897526.

625798992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2965767 + ... + 2965977.

Almost surely, 2^625798992 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 625798992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027913376).

625798992 is an abundant number, since it is smaller than the sum of its proper divisors (1430027760).

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

625798992 is a wasteful number, since it uses less digits than its factorization.

625798992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 333 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 57.

The square root of 625798992 is about 25015.9747361561. The cubic root of 625798992 is about 855.3521534218.

The spelling of 625798992 in words is "six hundred twenty-five million, seven hundred ninety-eight thousand, nine hundred ninety-two".