79117601 has 4 divisors (see below), whose sum is σ = 79183104. Its totient is φ = 79052100.

The previous prime is 79117589. The next prime is 79117603. The reversal of 79117601 is 10671197.

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 79117601 - 2¹⁸ = 78855457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79117603) 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, 30905 + ... + 33366.

It is an arithmetic number, because the mean of its divisors is an integer number (19795776).

Almost surely, 2^79117601 is an apocalyptic number.

It is an amenable number.

79117601 is a deficient number, since it is larger than the sum of its proper divisors (65503).

79117601 is a wasteful number, since it uses less digits than its factorization.

79117601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65502.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 79117601 is about 8894.8075302392. The cubic root of 79117601 is about 429.2968515391.

Adding to 79117601 its reverse (10671197), we get a palindrome (89788798).

The spelling of 79117601 in words is "seventy-nine million, one hundred seventeen thousand, six hundred one".