716197791 has 4 divisors (see below), whose sum is σ = 954930392. Its totient is φ = 477465192.

The previous prime is 716197771. The next prime is 716197843. The reversal of 716197791 is 197791617.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 716197791 - 2⁷ = 716197663 is a prime.

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 716197791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716197711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119366296 + ... + 119366301.

It is an arithmetic number, because the mean of its divisors is an integer number (238732598).

Almost surely, 2^716197791 is an apocalyptic number.

716197791 is a deficient number, since it is larger than the sum of its proper divisors (238732601).

716197791 is a wasteful number, since it uses less digits than its factorization.

716197791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238732600.

The product of its digits is 166698, while the sum is 48.

The square root of 716197791 is about 26761.8719636725. The cubic root of 716197791 is about 894.7004567532.

The spelling of 716197791 in words is "seven hundred sixteen million, one hundred ninety-seven thousand, seven hundred ninety-one".