630877880 has 32 divisors (see below), whose sum is σ = 1423461600. Its totient is φ = 251642496.

The previous prime is 630877847. The next prime is 630877903. The reversal of 630877880 is 88778036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7607 + ... + 36326.

It is an arithmetic number, because the mean of its divisors is an integer number (44483175).

Almost surely, 2^630877880 is an apocalyptic number.

It is an amenable number.

630877880 is an abundant number, since it is smaller than the sum of its proper divisors (792583720).

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

630877880 is a wasteful number, since it uses less digits than its factorization.

630877880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44303 (or 44299 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 630877880 is about 25117.2824963211. The cubic root of 630877880 is about 857.6598902295.

The spelling of 630877880 in words is "six hundred thirty million, eight hundred seventy-seven thousand, eight hundred eighty".