1716428879 has 8 divisors (see below), whose sum is σ = 1918138320. Its totient is φ = 1522331200.

The previous prime is 1716428873. The next prime is 1716428881. The reversal of 1716428879 is 9788246171.

It is a happy number.

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 1716428879 - 2²⁸ = 1447993423 is a prime.

It is a super-2 number, since 2×1716428879² = 5892256193330393282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1716428879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716428873) 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, 1902464 + ... + 1903365.

It is an arithmetic number, because the mean of its divisors is an integer number (239767290).

Almost surely, 2^1716428879 is an apocalyptic number.

1716428879 is a deficient number, since it is larger than the sum of its proper divisors (201709441).

1716428879 is a wasteful number, since it uses less digits than its factorization.

1716428879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805881.

The product of its digits is 1354752, while the sum is 53.

The square root of 1716428879 is about 41429.8066493195. The cubic root of 1716428879 is about 1197.3154987911.

The spelling of 1716428879 in words is "one billion, seven hundred sixteen million, four hundred twenty-eight thousand, eight hundred seventy-nine".