28717974359 has 8 divisors (see below), whose sum is σ = 29432516400. Its totient is φ = 28004104000.

The previous prime is 28717974349. The next prime is 28717974413. The reversal of 28717974359 is 95347971782.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28717974359 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 (28717974349) 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, 80792 + ... + 252909.

It is an arithmetic number, because the mean of its divisors is an integer number (3679064550).

Almost surely, 2^28717974359 is an apocalyptic number.

28717974359 is a deficient number, since it is larger than the sum of its proper divisors (714542041).

28717974359 is a wasteful number, since it uses less digits than its factorization.

28717974359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335841.

The product of its digits is 26671680, while the sum is 62.

The spelling of 28717974359 in words is "twenty-eight billion, seven hundred seventeen million, nine hundred seventy-four thousand, three hundred fifty-nine".