79120271 has 2 divisors, whose sum is σ = 79120272. Its totient is φ = 79120270.

The previous prime is 79120267. The next prime is 79120297. The reversal of 79120271 is 17202197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79120271 - 2² = 79120267 is a prime.

It is a super-2 number, since 2×79120271² = 12520034566226882, 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 (79120571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39560135 + 39560136.

It is an arithmetic number, because the mean of its divisors is an integer number (39560136).

Almost surely, 2^79120271 is an apocalyptic number.

79120271 is a deficient number, since it is larger than the sum of its proper divisors (1).

79120271 is an equidigital number, since it uses as much as digits as its factorization.

79120271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 79120271 is about 8894.9576165376. The cubic root of 79120271 is about 429.3016806782.

The spelling of 79120271 in words is "seventy-nine million, one hundred twenty thousand, two hundred seventy-one".