28904150504 has 32 divisors (see below), whose sum is σ = 55733184000. Its totient is φ = 14047473792.

The previous prime is 28904150503. The next prime is 28904150591. The reversal of 28904150504 is 40505140982.

It is not an unprimeable number, because it can be changed into a prime (28904150503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 302024 + ... + 386039.

It is an arithmetic number, because the mean of its divisors is an integer number (1741662000).

Almost surely, 2^28904150504 is an apocalyptic number.

It is an amenable number.

28904150504 is a deficient number, since it is larger than the sum of its proper divisors (26829033496).

28904150504 is a wasteful number, since it uses less digits than its factorization.

28904150504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688217 (or 688213 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 28904150504 in words is "twenty-eight billion, nine hundred four million, one hundred fifty thousand, five hundred four".