28752293904 has 20 divisors (see below), whose sum is σ = 74276759376. Its totient is φ = 9584097952.

The previous prime is 28752293903. The next prime is 28752293909. The reversal of 28752293904 is 40939225782.

It is a super-2 number, since 2×28752293904² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28752293903) 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 3 ways as a sum of consecutive naturals, for example, 299503014 + ... + 299503109.

Almost surely, 2^28752293904 is an apocalyptic number.

28752293904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28752293904 is an abundant number, since it is smaller than the sum of its proper divisors (45524465472).

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

28752293904 is a wasteful number, since it uses less digits than its factorization.

28752293904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599006134 (or 599006128 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 28752293904 in words is "twenty-eight billion, seven hundred fifty-two million, two hundred ninety-three thousand, nine hundred four".