5639056884 has 18 divisors (see below), whose sum is σ = 14254282770. Its totient is φ = 1879685616.

The previous prime is 5639056867. The next prime is 5639056897. The reversal of 5639056884 is 4886509365.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3104941284 + 2534115600 = 55722^2 + 50340^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 5639056884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78320199 + ... + 78320270.

Almost surely, 2^5639056884 is an apocalyptic number.

It is an amenable number.

5639056884 is an abundant number, since it is smaller than the sum of its proper divisors (8615225886).

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

5639056884 is a wasteful number, since it uses less digits than its factorization.

5639056884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156640479 (or 156640474 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The square root of 5639056884 is about 75093.6540860811. The cubic root of 5639056884 is about 1779.9268669191.

The spelling of 5639056884 in words is "five billion, six hundred thirty-nine million, fifty-six thousand, eight hundred eighty-four".