79912471 has 2 divisors, whose sum is σ = 79912472. Its totient is φ = 79912470.

The previous prime is 79912463. The next prime is 79912517. The reversal of 79912471 is 17421997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79912471 - 2³ = 79912463 is a prime.

It is a super-3 number, since 3×79912471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79912421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39956235 + 39956236.

It is an arithmetic number, because the mean of its divisors is an integer number (39956236).

Almost surely, 2^79912471 is an apocalyptic number.

79912471 is a deficient number, since it is larger than the sum of its proper divisors (1).

79912471 is an equidigital number, since it uses as much as digits as its factorization.

79912471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 79912471 is about 8939.3775510379. The cubic root of 79912471 is about 430.7297343980.

The spelling of 79912471 in words is "seventy-nine million, nine hundred twelve thousand, four hundred seventy-one".