79941427 has 2 divisors, whose sum is σ = 79941428. Its totient is φ = 79941426.

The previous prime is 79941419. The next prime is 79941457. The reversal of 79941427 is 72414997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79941427 - 2³ = 79941419 is a prime.

It is not a weakly prime, because it can be changed into another prime (79941457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39970713 + 39970714.

It is an arithmetic number, because the mean of its divisors is an integer number (39970714).

Almost surely, 2^79941427 is an apocalyptic number.

79941427 is a deficient number, since it is larger than the sum of its proper divisors (1).

79941427 is an equidigital number, since it uses as much as digits as its factorization.

79941427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 79941427 is about 8940.9969802030. The cubic root of 79941427 is about 430.7817525787.

The spelling of 79941427 in words is "seventy-nine million, nine hundred forty-one thousand, four hundred twenty-seven".