79740119 has 2 divisors, whose sum is σ = 79740120. Its totient is φ = 79740118.

The previous prime is 79740097. The next prime is 79740127. The reversal of 79740119 is 91104797.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79740119 is a prime.

It is a super-2 number, since 2×79740119² = 12716973156268322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79740179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39870059 + 39870060.

It is an arithmetic number, because the mean of its divisors is an integer number (39870060).

Almost surely, 2^79740119 is an apocalyptic number.

79740119 is a deficient number, since it is larger than the sum of its proper divisors (1).

79740119 is an equidigital number, since it uses as much as digits as its factorization.

79740119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 79740119 is about 8929.7323028185. The cubic root of 79740119 is about 430.4198513270.

The spelling of 79740119 in words is "seventy-nine million, seven hundred forty thousand, one hundred nineteen".