630823880 has 16 divisors (see below), whose sum is σ = 1419353820. Its totient is φ = 252329536.

The previous prime is 630823877. The next prime is 630823891. The reversal of 630823880 is 88328036.

630823880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 545409316 + 85414564 = 23354^2 + 9242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885259 + ... + 7885338.

Almost surely, 2^630823880 is an apocalyptic number.

It is an amenable number.

630823880 is an abundant number, since it is smaller than the sum of its proper divisors (788529940).

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

630823880 is a wasteful number, since it uses less digits than its factorization.

630823880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770608 (or 15770604 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 630823880 is about 25116.2075162633. The cubic root of 630823880 is about 857.6354190616.

The spelling of 630823880 in words is "six hundred thirty million, eight hundred twenty-three thousand, eight hundred eighty".