28750056850 has 12 divisors (see below), whose sum is σ = 53475105834. Its totient is φ = 11500022720.

The previous prime is 28750056847. The next prime is 28750056869. The reversal of 28750056850 is 5865005782.

It can be written as a sum of positive squares in 3 ways, for example, as 13562698681 + 15187358169 = 116459^2 + 123237^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28750056850.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287500519 + ... + 287500618.

Almost surely, 2^28750056850 is an apocalyptic number.

28750056850 is a deficient number, since it is larger than the sum of its proper divisors (24725048984).

28750056850 is a wasteful number, since it uses less digits than its factorization.

28750056850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575001149 (or 575001144 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 28750056850 in words is "twenty-eight billion, seven hundred fifty million, fifty-six thousand, eight hundred fifty".