716856601 has 4 divisors (see below), whose sum is σ = 717461712. Its totient is φ = 716251492.

The previous prime is 716856593. The next prime is 716856607. The reversal of 716856601 is 106658617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 716856601 - 2³ = 716856593 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716856607) 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, 300775 + ... + 303148.

It is an arithmetic number, because the mean of its divisors is an integer number (179365428).

Almost surely, 2^716856601 is an apocalyptic number.

It is an amenable number.

716856601 is a deficient number, since it is larger than the sum of its proper divisors (605111).

716856601 is a wasteful number, since it uses less digits than its factorization.

716856601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605110.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 716856601 is about 26774.1778772010. The cubic root of 716856601 is about 894.9747091883.

The spelling of 716856601 in words is "seven hundred sixteen million, eight hundred fifty-six thousand, six hundred one".