28500824956 has 12 divisors (see below), whose sum is σ = 49877662240. Its totient is φ = 14250064320.

The previous prime is 28500824953. The next prime is 28500824983. The reversal of 28500824956 is 65942800582.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28500824953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209101 + ... + 317371.

Almost surely, 2^28500824956 is an apocalyptic number.

It is an amenable number.

28500824956 is a deficient number, since it is larger than the sum of its proper divisors (21376837284).

28500824956 is a wasteful number, since it uses less digits than its factorization.

28500824956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174084 (or 174082 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 28500824956 in words is "twenty-eight billion, five hundred million, eight hundred twenty-four thousand, nine hundred fifty-six".