79424927 has 2 divisors, whose sum is σ = 79424928. Its totient is φ = 79424926.

The previous prime is 79424909. The next prime is 79424953. The reversal of 79424927 is 72942497.

It is a weak prime.

It is an emirp because it is prime and its reverse (72942497) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79424927 is a prime.

It is a super-3 number, since 3×79424927³ (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 (79424987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39712463 + 39712464.

It is an arithmetic number, because the mean of its divisors is an integer number (39712464).

Almost surely, 2^79424927 is an apocalyptic number.

79424927 is a deficient number, since it is larger than the sum of its proper divisors (1).

79424927 is an equidigital number, since it uses as much as digits as its factorization.

79424927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 79424927 is about 8912.0663709378. The cubic root of 79424927 is about 429.8519898020.

The spelling of 79424927 in words is "seventy-nine million, four hundred twenty-four thousand, nine hundred twenty-seven".