716108978 has 16 divisors (see below), whose sum is σ = 1158045336. Its totient is φ = 330153600.

The previous prime is 716108941. The next prime is 716109013. The reversal of 716108978 is 879801617.

It can be written as a sum of positive squares in 4 ways, for example, as 674596729 + 41512249 = 25973^2 + 6443^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10328 + ... + 39228.

Almost surely, 2^716108978 is an apocalyptic number.

716108978 is a deficient number, since it is larger than the sum of its proper divisors (441936358).

716108978 is a wasteful number, since it uses less digits than its factorization.

716108978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 716108978 is about 26760.2125925786. The cubic root of 716108978 is about 894.6634724092.

The spelling of 716108978 in words is "seven hundred sixteen million, one hundred eight thousand, nine hundred seventy-eight".