28299923124 has 48 divisors (see below), whose sum is σ = 72106384896. Its totient is φ = 8567375200.

The previous prime is 28299923111. The next prime is 28299923129. The reversal of 28299923124 is 42132999282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28299923129) 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 15 ways as a sum of consecutive naturals, for example, 32119 + ... + 240065.

It is an arithmetic number, because the mean of its divisors is an integer number (1502216352).

Almost surely, 2^28299923124 is an apocalyptic number.

It is an amenable number.

28299923124 is an abundant number, since it is smaller than the sum of its proper divisors (43806461772).

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

28299923124 is a wasteful number, since it uses less digits than its factorization.

28299923124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208996 (or 208994 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The spelling of 28299923124 in words is "twenty-eight billion, two hundred ninety-nine million, nine hundred twenty-three thousand, one hundred twenty-four".