716128277 has 2 divisors, whose sum is σ = 716128278. Its totient is φ = 716128276.

The previous prime is 716128271. The next prime is 716128313. The reversal of 716128277 is 772821617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474978436 + 241149841 = 21794^2 + 15529^2 .

It is a cyclic number.

It is not a de Polignac number, because 716128277 - 2¹⁸ = 715866133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716128271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358064138 + 358064139.

It is an arithmetic number, because the mean of its divisors is an integer number (358064139).

Almost surely, 2^716128277 is an apocalyptic number.

It is an amenable number.

716128277 is a deficient number, since it is larger than the sum of its proper divisors (1).

716128277 is an equidigital number, since it uses as much as digits as its factorization.

716128277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 41.

The square root of 716128277 is about 26760.5731814548. The cubic root of 716128277 is about 894.6715093401.

The spelling of 716128277 in words is "seven hundred sixteen million, one hundred twenty-eight thousand, two hundred seventy-seven".