28923518292 has 24 divisors (see below), whose sum is σ = 68301322656. Its totient is φ = 9525013728.

The previous prime is 28923518269. The next prime is 28923518363. The reversal of 28923518292 is 29281532982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14518843 + ... + 14520834.

It is an arithmetic number, because the mean of its divisors is an integer number (2845888444).

Almost surely, 2^28923518292 is an apocalyptic number.

It is an amenable number.

28923518292 is an abundant number, since it is smaller than the sum of its proper divisors (39377804364).

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

28923518292 is a wasteful number, since it uses less digits than its factorization.

28923518292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29039767 (or 29039765 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The spelling of 28923518292 in words is "twenty-eight billion, nine hundred twenty-three million, five hundred eighteen thousand, two hundred ninety-two".