79796047 has 2 divisors, whose sum is σ = 79796048. Its totient is φ = 79796046.

The previous prime is 79796033. The next prime is 79796051. The reversal of 79796047 is 74069797.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79796047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74796047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39898023 + 39898024.

It is an arithmetic number, because the mean of its divisors is an integer number (39898024).

Almost surely, 2^79796047 is an apocalyptic number.

79796047 is a deficient number, since it is larger than the sum of its proper divisors (1).

79796047 is an equidigital number, since it uses as much as digits as its factorization.

79796047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 79796047 is about 8932.8633147496. The cubic root of 79796047 is about 430.5204568772.

The spelling of 79796047 in words is "seventy-nine million, seven hundred ninety-six thousand, forty-seven".