28716087801373 has 4 divisors (see below), whose sum is σ = 32818386058720. Its totient is φ = 24613789544028.

The previous prime is 28716087801311. The next prime is 28716087801391. The reversal of 28716087801373 is 37310878061782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28716087801373 - 2²⁵ = 28716054246941 is a prime.

It is a super-2 number, since 2×28716087801373² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28716087801673) 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, 2051149128663 + ... + 2051149128676.

It is an arithmetic number, because the mean of its divisors is an integer number (8204596514680).

Almost surely, 2^{28716087801373} is an apocalyptic number.

It is an amenable number.

28716087801373 is a deficient number, since it is larger than the sum of its proper divisors (4102298257347).

28716087801373 is an equidigital number, since it uses as much as digits as its factorization.

28716087801373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102298257346.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 28716087801373 in words is "twenty-eight trillion, seven hundred sixteen billion, eighty-seven million, eight hundred one thousand, three hundred seventy-three".