716428911 has 8 divisors (see below), whose sum is σ = 1042078464. Its totient is φ = 434199320.

The previous prime is 716428897. The next prime is 716428939. The reversal of 716428911 is 119824617.

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 716428911 - 2²¹ = 714331759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716428911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716428981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10854951 + ... + 10855016.

It is an arithmetic number, because the mean of its divisors is an integer number (130259808).

Almost surely, 2^716428911 is an apocalyptic number.

716428911 is a deficient number, since it is larger than the sum of its proper divisors (325649553).

716428911 is a wasteful number, since it uses less digits than its factorization.

716428911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21709981.

The product of its digits is 24192, while the sum is 39.

The square root of 716428911 is about 26766.1896989467. The cubic root of 716428911 is about 894.7966875863.

The spelling of 716428911 in words is "seven hundred sixteen million, four hundred twenty-eight thousand, nine hundred eleven".