28708761733 has 8 divisors (see below), whose sum is σ = 28766649600. Its totient is φ = 28650934128.

The previous prime is 28708761709. The next prime is 28708761737. The reversal of 28708761733 is 33716780782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28708761733 - 2⁵ = 28708761701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28708761737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007283 + ... + 1035391.

It is an arithmetic number, because the mean of its divisors is an integer number (3595831200).

Almost surely, 2^28708761733 is an apocalyptic number.

It is an amenable number.

28708761733 is a deficient number, since it is larger than the sum of its proper divisors (57887867).

28708761733 is a wasteful number, since it uses less digits than its factorization.

28708761733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30131.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 28708761733 in words is "twenty-eight billion, seven hundred eight million, seven hundred sixty-one thousand, seven hundred thirty-three".