320112887 has 2 divisors, whose sum is σ = 320112888. Its totient is φ = 320112886.

The previous prime is 320112869. The next prime is 320112889. The reversal of 320112887 is 788211023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320112887 - 2⁸ = 320112631 is a prime.

Together with 320112889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320112889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160056443 + 160056444.

It is an arithmetic number, because the mean of its divisors is an integer number (160056444).

Almost surely, 2^320112887 is an apocalyptic number.

320112887 is a deficient number, since it is larger than the sum of its proper divisors (1).

320112887 is an equidigital number, since it uses as much as digits as its factorization.

320112887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 320112887 is about 17891.6988293454. The cubic root of 320112887 is about 684.0708000707.

The spelling of 320112887 in words is "three hundred twenty million, one hundred twelve thousand, eight hundred eighty-seven".