716255647 has 4 divisors (see below), whose sum is σ = 716872680. Its totient is φ = 715638616.

The previous prime is 716255641. The next prime is 716255653. The reversal of 716255647 is 746552617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746552617 = 19 ⋅39292243.

It is an interprime number because it is at equal distance from previous prime (716255641) and next prime (716255653).

It is a cyclic number.

It is not a de Polignac number, because 716255647 - 2¹¹ = 716253599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716255641) 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, 306772 + ... + 309097.

It is an arithmetic number, because the mean of its divisors is an integer number (179218170).

Almost surely, 2^716255647 is an apocalyptic number.

716255647 is a deficient number, since it is larger than the sum of its proper divisors (617033).

716255647 is a wasteful number, since it uses less digits than its factorization.

716255647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617032.

The product of its digits is 352800, while the sum is 43.

The square root of 716255647 is about 26762.9528826697. The cubic root of 716255647 is about 894.7245480477.

The spelling of 716255647 in words is "seven hundred sixteen million, two hundred fifty-five thousand, six hundred forty-seven".