320882933857 has 4 divisors (see below), whose sum is σ = 321199699860. Its totient is φ = 320566167856.

The previous prime is 320882933827. The next prime is 320882933897. The reversal of 320882933857 is 758339288023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40193834256 + 280689099601 = 200484^2 + 529801^2 .

It is a cyclic number.

It is not a de Polignac number, because 320882933857 - 2⁷ = 320882933729 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320882933807) 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, 158381482 + ... + 158383507.

It is an arithmetic number, because the mean of its divisors is an integer number (80299924965).

Almost surely, 2^320882933857 is an apocalyptic number.

It is an amenable number.

320882933857 is a deficient number, since it is larger than the sum of its proper divisors (316766003).

320882933857 is a wasteful number, since it uses less digits than its factorization.

320882933857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316766002.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 320882933857 in words is "three hundred twenty billion, eight hundred eighty-two million, nine hundred thirty-three thousand, eight hundred fifty-seven".