447957312479 has 8 divisors (see below), whose sum is σ = 454749684480. Its totient is φ = 441168071256.

The previous prime is 447957312457. The next prime is 447957312487. The reversal of 447957312479 is 974213759744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447957312479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447957312419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493559 + ... + 1067480.

It is an arithmetic number, because the mean of its divisors is an integer number (56843710560).

Almost surely, 2^447957312479 is an apocalyptic number.

447957312479 is a deficient number, since it is larger than the sum of its proper divisors (6792372001).

447957312479 is a wasteful number, since it uses less digits than its factorization.

447957312479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565389.

The product of its digits is 53343360, while the sum is 62.

The spelling of 447957312479 in words is "four hundred forty-seven billion, nine hundred fifty-seven million, three hundred twelve thousand, four hundred seventy-nine".