79115471 has 2 divisors, whose sum is σ = 79115472. Its totient is φ = 79115470.

The previous prime is 79115461. The next prime is 79115497. The reversal of 79115471 is 17451197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79115471 - 2¹⁴ = 79099087 is a prime.

It is a super-3 number, since 3×79115471³ (a number of 25 digits) contains 333 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 (79115461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39557735 + 39557736.

It is an arithmetic number, because the mean of its divisors is an integer number (39557736).

Almost surely, 2^79115471 is an apocalyptic number.

79115471 is a deficient number, since it is larger than the sum of its proper divisors (1).

79115471 is an equidigital number, since it uses as much as digits as its factorization.

79115471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 35.

The square root of 79115471 is about 8894.6877966571. The cubic root of 79115471 is about 429.2929990019.

The spelling of 79115471 in words is "seventy-nine million, one hundred fifteen thousand, four hundred seventy-one".