320474677 has 4 divisors (see below), whose sum is σ = 321282316. Its totient is φ = 319667040.

The previous prime is 320474611. The next prime is 320474681. The reversal of 320474677 is 776474023.

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 237190801 + 83283876 = 15401^2 + 9126^2 .

It is a cyclic number.

It is not a de Polignac number, because 320474677 - 2⁷ = 320474549 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 (320471677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403224 + ... + 404017.

It is an arithmetic number, because the mean of its divisors is an integer number (80320579).

Almost surely, 2^320474677 is an apocalyptic number.

It is an amenable number.

320474677 is a deficient number, since it is larger than the sum of its proper divisors (807639).

320474677 is an equidigital number, since it uses as much as digits as its factorization.

320474677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807638.

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 320474677 is about 17901.8065289512. The cubic root of 320474677 is about 684.3284141875.

The spelling of 320474677 in words is "three hundred twenty million, four hundred seventy-four thousand, six hundred seventy-seven".