320318332677 has 48 divisors (see below), whose sum is σ = 548548687232. Its totient is φ = 182977367040.

The previous prime is 320318332661. The next prime is 320318332687. The reversal of 320318332677 is 776233813023.

320318332677 is a `hidden beast` number, since 3 + 2 + 0 + 318 + 3 + 326 + 7 + 7 = 666.

It is not a de Polignac number, because 320318332677 - 2⁴ = 320318332661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320318332687) 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, 5278653 + ... + 5338989.

Almost surely, 2^320318332677 is an apocalyptic number.

It is an amenable number.

320318332677 is a deficient number, since it is larger than the sum of its proper divisors (228230354555).

320318332677 is an equidigital number, since it uses as much as digits as its factorization.

320318332677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63480 (or 63468 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 320318332677 in words is "three hundred twenty billion, three hundred eighteen million, three hundred thirty-two thousand, six hundred seventy-seven".