79383641 has 2 divisors, whose sum is σ = 79383642. Its totient is φ = 79383640.

The previous prime is 79383613. The next prime is 79383671. The reversal of 79383641 is 14638397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 3345241 = 8720^2 + 1829^2 .

It is an emirp because it is prime and its reverse (14638397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79383641 - 2¹⁰ = 79382617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79383671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39691820 + 39691821.

It is an arithmetic number, because the mean of its divisors is an integer number (39691821).

Almost surely, 2^79383641 is an apocalyptic number.

It is an amenable number.

79383641 is a deficient number, since it is larger than the sum of its proper divisors (1).

79383641 is an equidigital number, since it uses as much as digits as its factorization.

79383641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 79383641 is about 8909.7497720194. The cubic root of 79383641 is about 429.7774962066. Note that the first 3 decimals are identical.

The spelling of 79383641 in words is "seventy-nine million, three hundred eighty-three thousand, six hundred forty-one".