28308300250 has 32 divisors (see below), whose sum is σ = 53035819200. Its totient is φ = 11314200400.

The previous prime is 28308300247. The next prime is 28308300257. The reversal of 28308300250 is 5200380382.

It is not an unprimeable number, because it can be changed into a prime (28308300257) 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, 269781 + ... + 359719.

It is an arithmetic number, because the mean of its divisors is an integer number (1657369350).

Almost surely, 2^28308300250 is an apocalyptic number.

28308300250 is a deficient number, since it is larger than the sum of its proper divisors (24727518950).

28308300250 is a wasteful number, since it uses less digits than its factorization.

28308300250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91215 (or 91205 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 28308300250 in words is "twenty-eight billion, three hundred eight million, three hundred thousand, two hundred fifty".