6320639884 has 72 divisors (see below), whose sum is σ = 12209467200. Its totient is φ = 2861194752.

The previous prime is 6320639869. The next prime is 6320639891. The reversal of 6320639884 is 4889360236.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17222269 + ... + 17222635.

Almost surely, 2^6320639884 is an apocalyptic number.

It is an amenable number.

6320639884 is a deficient number, since it is larger than the sum of its proper divisors (5888827316).

6320639884 is a wasteful number, since it uses less digits than its factorization.

6320639884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The square root of 6320639884 is about 79502.4520628138. The cubic root of 6320639884 is about 1848.9294886737.

The spelling of 6320639884 in words is "six billion, three hundred twenty million, six hundred thirty-nine thousand, eight hundred eighty-four".