28133345760 has 96 divisors (see below), whose sum is σ = 95436986400. Its totient is φ = 6925129728.

The previous prime is 28133345753. The next prime is 28133345791. The reversal of 28133345760 is 6754333182.

It is a tau number, because it is divible by the number of its divisors (96).

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, 2248035 + ... + 2260514.

It is an arithmetic number, because the mean of its divisors is an integer number (994135275).

Almost surely, 2^28133345760 is an apocalyptic number.

28133345760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28133345760 is an abundant number, since it is smaller than the sum of its proper divisors (67303640640).

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

28133345760 is a wasteful number, since it uses less digits than its factorization.

28133345760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508580 (or 4508572 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 28133345760 in words is "twenty-eight billion, one hundred thirty-three million, three hundred forty-five thousand, seven hundred sixty".