28504896192 has 56 divisors (see below), whose sum is σ = 83799121200. Its totient is φ = 9501631488.

The previous prime is 28504896187. The next prime is 28504896221. The reversal of 28504896192 is 29169840582.

It is a happy number.

28504896192 is a `hidden beast` number, since 28 + 50 + 489 + 6 + 1 + 92 = 666.

It is a super-2 number, since 2×28504896192² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8246217 + ... + 8249672.

Almost surely, 2^28504896192 is an apocalyptic number.

It is an amenable number.

28504896192 is an abundant number, since it is smaller than the sum of its proper divisors (55294225008).

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

28504896192 is a wasteful number, since it uses less digits than its factorization.

28504896192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16495910 (or 16495894 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 28504896192 in words is "twenty-eight billion, five hundred four million, eight hundred ninety-six thousand, one hundred ninety-two".