320705671208 has 16 divisors (see below), whose sum is σ = 647578759380. Its totient is φ = 148018002048.

The previous prime is 320705671183. The next prime is 320705671213. The reversal of 320705671208 is 802176507023.

It can be written as a sum of positive squares in 2 ways, for example, as 319747273444 + 958397764 = 565462^2 + 30958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541854085 + ... + 1541854292.

Almost surely, 2^320705671208 is an apocalyptic number.

It is an amenable number.

320705671208 is an abundant number, since it is smaller than the sum of its proper divisors (326873088172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320705671208 is a wasteful number, since it uses less digits than its factorization.

320705671208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083708396 (or 3083708392 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 320705671208 in words is "three hundred twenty billion, seven hundred five million, six hundred seventy-one thousand, two hundred eight".