28923803750 has 20 divisors (see below), whose sum is σ = 54214780092. Its totient is φ = 11569521000.

The previous prime is 28923803749. The next prime is 28923803809. The reversal of 28923803750 is 5730832982.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28923803695 and 28923803704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11568272 + ... + 11570771.

Almost surely, 2^28923803750 is an apocalyptic number.

28923803750 is a deficient number, since it is larger than the sum of its proper divisors (25290976342).

28923803750 is an equidigital number, since it uses as much as digits as its factorization.

28923803750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23139065 (or 23139050 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 28923803750 in words is "twenty-eight billion, nine hundred twenty-three million, eight hundred three thousand, seven hundred fifty".