716891899 has 16 divisors (see below), whose sum is σ = 768337920. Its totient is φ = 667386720.

The previous prime is 716891891. The next prime is 716891911. The reversal of 716891899 is 998198617.

It is a cyclic number.

It is not a de Polignac number, because 716891899 - 2³ = 716891891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716891891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126229 + ... + 131785.

It is an arithmetic number, because the mean of its divisors is an integer number (48021120).

Almost surely, 2^716891899 is an apocalyptic number.

716891899 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

716891899 is a deficient number, since it is larger than the sum of its proper divisors (51446021).

716891899 is a wasteful number, since it uses less digits than its factorization.

716891899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730.

The product of its digits is 1959552, while the sum is 58.

The square root of 716891899 is about 26774.8370489906. The cubic root of 716891899 is about 894.9893984575.

The spelling of 716891899 in words is "seven hundred sixteen million, eight hundred ninety-one thousand, eight hundred ninety-nine".