979367447 has 2 divisors, whose sum is σ = 979367448. Its totient is φ = 979367446.

The previous prime is 979367423. The next prime is 979367449. The reversal of 979367447 is 744763979.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (744763979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979367447 - 2²⁰ = 978318871 is a prime.

Together with 979367449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 979367392 and 979367401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979367449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489683723 + 489683724.

It is an arithmetic number, because the mean of its divisors is an integer number (489683724).

Almost surely, 2^979367447 is an apocalyptic number.

979367447 is a deficient number, since it is larger than the sum of its proper divisors (1).

979367447 is an equidigital number, since it uses as much as digits as its factorization.

979367447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 56.

The square root of 979367447 is about 31294.8469719857. The cubic root of 979367447 is about 993.0746323312.

The spelling of 979367447 in words is "nine hundred seventy-nine million, three hundred sixty-seven thousand, four hundred forty-seven".