28744298504 has 32 divisors (see below), whose sum is σ = 56975724000. Its totient is φ = 13557267072.

The previous prime is 28744298501. The next prime is 28744298509. The reversal of 28744298504 is 40589244782.

It is not an unprimeable number, because it can be changed into a prime (28744298501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370394 + ... + 441225.

It is an arithmetic number, because the mean of its divisors is an integer number (1780491375).

Almost surely, 2^28744298504 is an apocalyptic number.

It is an amenable number.

28744298504 is a deficient number, since it is larger than the sum of its proper divisors (28231425496).

28744298504 is a wasteful number, since it uses less digits than its factorization.

28744298504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811877 (or 811873 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 28744298504 in words is "twenty-eight billion, seven hundred forty-four million, two hundred ninety-eight thousand, five hundred four".