28700653750 has 80 divisors (see below), whose sum is σ = 57488222880. Its totient is φ = 10704960000.

The previous prime is 28700653717. The next prime is 28700653759. The reversal of 28700653750 is 5735600782.

It is a junction number, because it is equal to n+sod(n) for n = 28700653697 and 28700653706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28700653759) 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 39 ways as a sum of consecutive naturals, for example, 2310055 + ... + 2322445.

It is an arithmetic number, because the mean of its divisors is an integer number (718602786).

Almost surely, 2^28700653750 is an apocalyptic number.

28700653750 is an abundant number, since it is smaller than the sum of its proper divisors (28787569130).

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

28700653750 is a wasteful number, since it uses less digits than its factorization.

28700653750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539 (or 12524 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 28700653750 in words is "twenty-eight billion, seven hundred million, six hundred fifty-three thousand, seven hundred fifty".