716882618 has 4 divisors (see below), whose sum is σ = 1075323930. Its totient is φ = 358441308.

The previous prime is 716882609. The next prime is 716882633. The reversal of 716882618 is 816288617.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 816288617 = 263 ⋅3103759.

It can be written as a sum of positive squares in only one way, i.e., 444071329 + 272811289 = 21073^2 + 16517^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179220653 + ... + 179220656.

Almost surely, 2^716882618 is an apocalyptic number.

716882618 is a deficient number, since it is larger than the sum of its proper divisors (358441312).

716882618 is a wasteful number, since it uses less digits than its factorization.

716882618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358441311.

The product of its digits is 258048, while the sum is 47.

The square root of 716882618 is about 26774.6637327157. The cubic root of 716882618 is about 894.9855362143.

The spelling of 716882618 in words is "seven hundred sixteen million, eight hundred eighty-two thousand, six hundred eighteen".