28927560884 has 12 divisors (see below), whose sum is σ = 50651013504. Its totient is φ = 14455842744.

The previous prime is 28927560877. The next prime is 28927560899. The reversal of 28927560884 is 48806572982.

It is a super-2 number, since 2×28927560884² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1976222 + ... + 1990805.

It is an arithmetic number, because the mean of its divisors is an integer number (4220917792).

Almost surely, 2^28927560884 is an apocalyptic number.

It is an amenable number.

28927560884 is a deficient number, since it is larger than the sum of its proper divisors (21723452620).

28927560884 is a wasteful number, since it uses less digits than its factorization.

28927560884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968854 (or 3968852 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 28927560884 in words is "twenty-eight billion, nine hundred twenty-seven million, five hundred sixty thousand, eight hundred eighty-four".