716128279 has 8 divisors (see below), whose sum is σ = 724054752. Its totient is φ = 708218400.

The previous prime is 716128277. The next prime is 716128313. The reversal of 716128279 is 972821617.

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 716128279 - 2¹ = 716128277 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 (716128271) 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, 95677 + ... + 102889.

It is an arithmetic number, because the mean of its divisors is an integer number (90506844).

Almost surely, 2^716128279 is an apocalyptic number.

716128279 is a deficient number, since it is larger than the sum of its proper divisors (7926473).

716128279 is a wasteful number, since it uses less digits than its factorization.

716128279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297.

The product of its digits is 84672, while the sum is 43.

The square root of 716128279 is about 26760.5732188232. The cubic root of 716128279 is about 894.6715101730.

The spelling of 716128279 in words is "seven hundred sixteen million, one hundred twenty-eight thousand, two hundred seventy-nine".