28915376250 has 40 divisors (see below), whose sum is σ = 72265317696. Its totient is φ = 7710766000.

The previous prime is 28915376213. The next prime is 28915376251. The reversal of 28915376250 is 5267351982.

It is a self number, because there is not a number n which added to its sum of digits gives 28915376250.

It is not an unprimeable number, because it can be changed into a prime (28915376251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3851634 + ... + 3859133.

Almost surely, 2^28915376250 is an apocalyptic number.

28915376250 is an abundant number, since it is smaller than the sum of its proper divisors (43349941446).

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

28915376250 is an equidigital number, since it uses as much as digits as its factorization.

28915376250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710792 (or 7710777 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 28915376250 in words is "twenty-eight billion, nine hundred fifteen million, three hundred seventy-six thousand, two hundred fifty".