447995377799 has 2 divisors, whose sum is σ = 447995377800. Its totient is φ = 447995377798.

The previous prime is 447995377747. The next prime is 447995377997. The reversal of 447995377799 is 997773599744.

Together with next prime (447995377997) 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 a de Polignac number, because none of the positive numbers 2^k-447995377799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447995377399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223997688899 + 223997688900.

It is an arithmetic number, because the mean of its divisors is an integer number (223997688900).

Almost surely, 2^447995377799 is an apocalyptic number.

447995377799 is a deficient number, since it is larger than the sum of its proper divisors (1).

447995377799 is an equidigital number, since it uses as much as digits as its factorization.

447995377799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780710640, while the sum is 80.

The spelling of 447995377799 in words is "four hundred forty-seven billion, nine hundred ninety-five million, three hundred seventy-seven thousand, seven hundred ninety-nine".