79717063 has 4 divisors (see below), whose sum is σ = 84406320. Its totient is φ = 75027808.

The previous prime is 79717061. The next prime is 79717067. The reversal of 79717063 is 36071797.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79717063 - 2¹ = 79717061 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 (79717061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344603 + ... + 2344636.

It is an arithmetic number, because the mean of its divisors is an integer number (21101580).

Almost surely, 2^79717063 is an apocalyptic number.

79717063 is a deficient number, since it is larger than the sum of its proper divisors (4689257).

79717063 is a wasteful number, since it uses less digits than its factorization.

79717063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689256.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 79717063 is about 8928.4412413366. The cubic root of 79717063 is about 430.3783635672.

The spelling of 79717063 in words is "seventy-nine million, seven hundred seventeen thousand, sixty-three".