320713735377 has 48 divisors (see below), whose sum is σ = 540505190400. Its totient is φ = 168018792480.

The previous prime is 320713735259. The next prime is 320713735387. The reversal of 320713735377 is 773537317023.

It is a happy number.

It is not a de Polignac number, because 320713735377 - 2⁷ = 320713735249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320713735387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1765477 + ... + 1938642.

It is an arithmetic number, because the mean of its divisors is an integer number (11260524800).

Almost surely, 2^320713735377 is an apocalyptic number.

It is an amenable number.

320713735377 is a deficient number, since it is larger than the sum of its proper divisors (219791455023).

320713735377 is a wasteful number, since it uses less digits than its factorization.

320713735377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704186 (or 3704179 counting only the distinct ones).

The product of its (nonzero) digits is 1944810, while the sum is 48.

The spelling of 320713735377 in words is "three hundred twenty billion, seven hundred thirteen million, seven hundred thirty-five thousand, three hundred seventy-seven".