320464800771 has 4 divisors (see below), whose sum is σ = 427286401032. Its totient is φ = 213643200512.

The previous prime is 320464800713. The next prime is 320464800779. The reversal of 320464800771 is 177008464023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320464800771 - 2⁶ = 320464800707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320464800779) 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, 53410800126 + ... + 53410800131.

It is an arithmetic number, because the mean of its divisors is an integer number (106821600258).

Almost surely, 2^320464800771 is an apocalyptic number.

320464800771 is a deficient number, since it is larger than the sum of its proper divisors (106821600261).

320464800771 is a wasteful number, since it uses less digits than its factorization.

320464800771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106821600260.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 320464800771 in words is "three hundred twenty billion, four hundred sixty-four million, eight hundred thousand, seven hundred seventy-one".