79230617 has 2 divisors, whose sum is σ = 79230618. Its totient is φ = 79230616.

The previous prime is 79230583. The next prime is 79230631. The reversal of 79230617 is 71603297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 38416 = 8899^2 + 196^2 .

It is an emirp because it is prime and its reverse (71603297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79230617 - 2¹⁶ = 79165081 is a prime.

It is not a weakly prime, because it can be changed into another prime (79230647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39615308 + 39615309.

It is an arithmetic number, because the mean of its divisors is an integer number (39615309).

Almost surely, 2^79230617 is an apocalyptic number.

It is an amenable number.

79230617 is a deficient number, since it is larger than the sum of its proper divisors (1).

79230617 is an equidigital number, since it uses as much as digits as its factorization.

79230617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 79230617 is about 8901.1581830681. The cubic root of 79230617 is about 429.5011648188.

The spelling of 79230617 in words is "seventy-nine million, two hundred thirty thousand, six hundred seventeen".