79468447 has 2 divisors, whose sum is σ = 79468448. Its totient is φ = 79468446.

The previous prime is 79468379. The next prime is 79468451. The reversal of 79468447 is 74486497.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79468447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79468447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79468747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39734223 + 39734224.

It is an arithmetic number, because the mean of its divisors is an integer number (39734224).

Almost surely, 2^79468447 is an apocalyptic number.

79468447 is a deficient number, since it is larger than the sum of its proper divisors (1).

79468447 is an equidigital number, since it uses as much as digits as its factorization.

79468447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 79468447 is about 8914.5076700848. The cubic root of 79468447 is about 429.9304863293.

The spelling of 79468447 in words is "seventy-nine million, four hundred sixty-eight thousand, four hundred forty-seven".