447346142879 has 2 divisors, whose sum is σ = 447346142880. Its totient is φ = 447346142878.

The previous prime is 447346142869. The next prime is 447346142897. The reversal of 447346142879 is 978241643744.

Together with next prime (447346142897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447346142879 - 2⁴ = 447346142863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447346142849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223673071439 + 223673071440.

It is an arithmetic number, because the mean of its divisors is an integer number (223673071440).

Almost surely, 2^447346142879 is an apocalyptic number.

447346142879 is a deficient number, since it is larger than the sum of its proper divisors (1).

447346142879 is an equidigital number, since it uses as much as digits as its factorization.

447346142879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 59.

The spelling of 447346142879 in words is "four hundred forty-seven billion, three hundred forty-six million, one hundred forty-two thousand, eight hundred seventy-nine".