447892320797 has 4 divisors (see below), whose sum is σ = 447893757696. Its totient is φ = 447890883900.

The previous prime is 447892320773. The next prime is 447892320851. The reversal of 447892320797 is 797023298744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 447892320797 - 2⁸ = 447892320541 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 (447892320727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32723 + ... + 947024.

It is an arithmetic number, because the mean of its divisors is an integer number (111973439424).

Almost surely, 2^447892320797 is an apocalyptic number.

It is an amenable number.

447892320797 is a deficient number, since it is larger than the sum of its proper divisors (1436899).

447892320797 is an equidigital number, since it uses as much as digits as its factorization.

447892320797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436898.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 447892320797 in words is "four hundred forty-seven billion, eight hundred ninety-two million, three hundred twenty thousand, seven hundred ninety-seven".