716865899 has 4 divisors (see below), whose sum is σ = 717030360. Its totient is φ = 716701440.

The previous prime is 716865881. The next prime is 716865923. The reversal of 716865899 is 998568617.

716865899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716865899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716865869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75509 + ... + 84470.

It is an arithmetic number, because the mean of its divisors is an integer number (179257590).

Almost surely, 2^716865899 is an apocalyptic number.

716865899 is a deficient number, since it is larger than the sum of its proper divisors (164461).

716865899 is a wasteful number, since it uses less digits than its factorization.

716865899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164460.

The product of its digits is 6531840, while the sum is 59.

The square root of 716865899 is about 26774.3515140890. The cubic root of 716865899 is about 894.9785785995.

The spelling of 716865899 in words is "seven hundred sixteen million, eight hundred sixty-five thousand, eight hundred ninety-nine".