320377953 has 8 divisors (see below), whose sum is σ = 488195008. Its totient is φ = 183073104.

The previous prime is 320377949. The next prime is 320377961. The reversal of 320377953 is 359773023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320377953 - 2² = 320377949 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320377913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7628026 + ... + 7628067.

It is an arithmetic number, because the mean of its divisors is an integer number (61024376).

Almost surely, 2^320377953 is an apocalyptic number.

It is an amenable number.

320377953 is a deficient number, since it is larger than the sum of its proper divisors (167817055).

320377953 is a wasteful number, since it uses less digits than its factorization.

320377953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256103.

The product of its (nonzero) digits is 119070, while the sum is 39.

The square root of 320377953 is about 17899.1048100177. The cubic root of 320377953 is about 684.2595604459.

The spelling of 320377953 in words is "three hundred twenty million, three hundred seventy-seven thousand, nine hundred fifty-three".