79826347 has 2 divisors, whose sum is σ = 79826348. Its totient is φ = 79826346.

The previous prime is 79826323. The next prime is 79826359. The reversal of 79826347 is 74362897.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79826347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79826297 and 79826306.

It is not a weakly prime, because it can be changed into another prime (79826377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39913173 + 39913174.

It is an arithmetic number, because the mean of its divisors is an integer number (39913174).

Almost surely, 2^79826347 is an apocalyptic number.

79826347 is a deficient number, since it is larger than the sum of its proper divisors (1).

79826347 is an equidigital number, since it uses as much as digits as its factorization.

79826347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 79826347 is about 8934.5591385362. The cubic root of 79826347 is about 430.5749421121.

The spelling of 79826347 in words is "seventy-nine million, eight hundred twenty-six thousand, three hundred forty-seven".