79017047 has 8 divisors (see below), whose sum is σ = 82376832. Its totient is φ = 75708000.

The previous prime is 79017023. The next prime is 79017061. The reversal of 79017047 is 74071097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79017047 - 2¹² = 79012951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79016998 and 79017016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79017007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9488 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (10297104).

Almost surely, 2^79017047 is an apocalyptic number.

79017047 is a deficient number, since it is larger than the sum of its proper divisors (3359785).

79017047 is a wasteful number, since it uses less digits than its factorization.

79017047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25369.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 79017047 is about 8889.1533342608. The cubic root of 79017047 is about 429.1149037558.

The spelling of 79017047 in words is "seventy-nine million, seventeen thousand, forty-seven".