320479927 has 2 divisors, whose sum is σ = 320479928. Its totient is φ = 320479926.

The previous prime is 320479919. The next prime is 320479967. The reversal of 320479927 is 729974023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320479927 - 2³ = 320479919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320479967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160239963 + 160239964.

It is an arithmetic number, because the mean of its divisors is an integer number (160239964).

Almost surely, 2^320479927 is an apocalyptic number.

320479927 is a deficient number, since it is larger than the sum of its proper divisors (1).

320479927 is an equidigital number, since it uses as much as digits as its factorization.

320479927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 320479927 is about 17901.9531615966. The cubic root of 320479927 is about 684.3321510449.

The spelling of 320479927 in words is "three hundred twenty million, four hundred seventy-nine thousand, nine hundred twenty-seven".