320376643707 has 8 divisors (see below), whose sum is σ = 427171810320. Its totient is φ = 213582953120.

The previous prime is 320376643679. The next prime is 320376643751. The reversal of 320376643707 is 707346673023.

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 320376643707 - 2⁷ = 320376643579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320376643207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322669 + ... + 863057.

It is an arithmetic number, because the mean of its divisors is an integer number (53396476290).

Almost surely, 2^320376643707 is an apocalyptic number.

320376643707 is a deficient number, since it is larger than the sum of its proper divisors (106795166613).

320376643707 is a wasteful number, since it uses less digits than its factorization.

320376643707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738013.

The product of its (nonzero) digits is 2667168, while the sum is 48.

The spelling of 320376643707 in words is "three hundred twenty billion, three hundred seventy-six million, six hundred forty-three thousand, seven hundred seven".