28717458860329 has 8 divisors (see below), whose sum is σ = 28846633277952. Its totient is φ = 28588287984000.

The previous prime is 28717458860323. The next prime is 28717458860341. The reversal of 28717458860329 is 92306885471782.

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 28717458860329 - 2¹⁷ = 28717458729257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28717458860323) 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, 16101012 + ... + 17795434.

It is an arithmetic number, because the mean of its divisors is an integer number (3605829159744).

It is a 2-persistent number, because it is pandigital, and so is 2⋅28717458860329 = 57434917720658, but 3⋅28717458860329 = 86152376580987 is not.

Almost surely, 2^{28717458860329} is an apocalyptic number.

It is an amenable number.

28717458860329 is a deficient number, since it is larger than the sum of its proper divisors (129174417623).

28717458860329 is a wasteful number, since it uses less digits than its factorization.

28717458860329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770647.

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 28717458860329 in words is "twenty-eight trillion, seven hundred seventeen billion, four hundred fifty-eight million, eight hundred sixty thousand, three hundred twenty-nine".