320499803447 has 8 divisors (see below), whose sum is σ = 330860898432. Its totient is φ = 310140108000.

The previous prime is 320499803441. The next prime is 320499803461. The reversal of 320499803447 is 744308994023.

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

It is a cyclic number.

It is not a de Polignac number, because 320499803447 - 2⁶ = 320499803383 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 (320499803441) 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, 125813 + ... + 810449.

It is an arithmetic number, because the mean of its divisors is an integer number (41357612304).

Almost surely, 2^320499803447 is an apocalyptic number.

320499803447 is a deficient number, since it is larger than the sum of its proper divisors (10361094985).

320499803447 is a wasteful number, since it uses less digits than its factorization.

320499803447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699769.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 320499803447 in words is "three hundred twenty billion, four hundred ninety-nine million, eight hundred three thousand, four hundred forty-seven".