5638887804 has 24 divisors (see below), whose sum is σ = 14353532928. Its totient is φ = 1708753840.

The previous prime is 5638887797. The next prime is 5638887823. The reversal of 5638887804 is 4087888365.

It is a happy number.

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, 21359292 + ... + 21359555.

It is an arithmetic number, because the mean of its divisors is an integer number (598063872).

Almost surely, 2^5638887804 is an apocalyptic number.

It is an amenable number.

5638887804 is an abundant number, since it is smaller than the sum of its proper divisors (8714645124).

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

5638887804 is a wasteful number, since it uses less digits than its factorization.

5638887804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42718865 (or 42718863 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The square root of 5638887804 is about 75092.5282834451. The cubic root of 5638887804 is about 1779.9090771215.

The spelling of 5638887804 in words is "five billion, six hundred thirty-eight million, eight hundred eighty-seven thousand, eight hundred four".