625878380 has 12 divisors (see below), whose sum is σ = 1314344640. Its totient is φ = 250351344.

The previous prime is 625878359. The next prime is 625878389. The reversal of 625878380 is 83878526.

It is not an unprimeable number, because it can be changed into a prime (625878389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15646940 + ... + 15646979.

It is an arithmetic number, because the mean of its divisors is an integer number (109528720).

Almost surely, 2^625878380 is an apocalyptic number.

It is an amenable number.

625878380 is an abundant number, since it is smaller than the sum of its proper divisors (688466260).

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

625878380 is a wasteful number, since it uses less digits than its factorization.

625878380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31293928 (or 31293926 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 625878380 is about 25017.5614319222. The cubic root of 625878380 is about 855.3883214919.

The spelling of 625878380 in words is "six hundred twenty-five million, eight hundred seventy-eight thousand, three hundred eighty".