79318601 has 2 divisors, whose sum is σ = 79318602. Its totient is φ = 79318600.

The previous prime is 79318579. The next prime is 79318619. The reversal of 79318601 is 10681397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 6130576 = 8555^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 79318601 - 2¹⁰ = 79317577 is a prime.

It is equal to p_4631966 and since 79318601 and 4631966 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (79318621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39659300 + 39659301.

It is an arithmetic number, because the mean of its divisors is an integer number (39659301).

Almost surely, 2^79318601 is an apocalyptic number.

It is an amenable number.

79318601 is a deficient number, since it is larger than the sum of its proper divisors (1).

79318601 is an equidigital number, since it uses as much as digits as its factorization.

79318601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 79318601 is about 8906.0990899495. The cubic root of 79318601 is about 429.6600901286.

Adding to 79318601 its reverse (10681397), we get a palindrome (89999998).

The spelling of 79318601 in words is "seventy-nine million, three hundred eighteen thousand, six hundred one".