625063978 has 48 divisors (see below), whose sum is σ = 1194625152. Its totient is φ = 240055200.

The previous prime is 625063969. The next prime is 625063981. The reversal of 625063978 is 879360526.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117676 + ... + 122872.

It is an arithmetic number, because the mean of its divisors is an integer number (24888024).

Almost surely, 2^625063978 is an apocalyptic number.

625063978 is a deficient number, since it is larger than the sum of its proper divisors (569561174).

625063978 is a wasteful number, since it uses less digits than its factorization.

625063978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 625063978 is about 25001.2795272562. The cubic root of 625063978 is about 855.0171459006.

The spelling of 625063978 in words is "six hundred twenty-five million, sixty-three thousand, nine hundred seventy-eight".