28133696892 has 48 divisors (see below), whose sum is σ = 76079872512. Its totient is φ = 7924983360.

The previous prime is 28133696819. The next prime is 28133696911. The reversal of 28133696892 is 29869633182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352663 + ... + 2364590.

It is an arithmetic number, because the mean of its divisors is an integer number (1584997344).

Almost surely, 2^28133696892 is an apocalyptic number.

It is an amenable number.

28133696892 is an abundant number, since it is smaller than the sum of its proper divisors (47946175620).

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

28133696892 is a wasteful number, since it uses less digits than its factorization.

28133696892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717338 (or 4717336 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 28133696892 in words is "twenty-eight billion, one hundred thirty-three million, six hundred ninety-six thousand, eight hundred ninety-two".