28250757783 has 12 divisors (see below), whose sum is σ = 40809977208. Its totient is φ = 18832302960.

The previous prime is 28250757751. The next prime is 28250757823. The reversal of 28250757783 is 38775705282.

28250757783 is a `hidden beast` number, since 2 + 8 + 2 + 507 + 57 + 7 + 83 = 666.

It is not a de Polignac number, because 28250757783 - 2⁵ = 28250757751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28250757083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5253 + ... + 237758.

It is an arithmetic number, because the mean of its divisors is an integer number (3400831434).

Almost surely, 2^28250757783 is an apocalyptic number.

28250757783 is a deficient number, since it is larger than the sum of its proper divisors (12559219425).

28250757783 is a wasteful number, since it uses less digits than its factorization.

28250757783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255934 (or 255931 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 28250757783 in words is "twenty-eight billion, two hundred fifty million, seven hundred fifty-seven thousand, seven hundred eighty-three".