328768871 has 2 divisors, whose sum is σ = 328768872. Its totient is φ = 328768870.

The previous prime is 328768861. The next prime is 328768879. The reversal of 328768871 is 178867823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328768871 is a prime.

It is a super-2 number, since 2×328768871² = 216177941077229282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328768879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164384435 + 164384436.

It is an arithmetic number, because the mean of its divisors is an integer number (164384436).

Almost surely, 2^328768871 is an apocalyptic number.

328768871 is a deficient number, since it is larger than the sum of its proper divisors (1).

328768871 is an equidigital number, since it uses as much as digits as its factorization.

328768871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 50.

The square root of 328768871 is about 18131.9847507106. The cubic root of 328768871 is about 690.1818963141.

The spelling of 328768871 in words is "three hundred twenty-eight million, seven hundred sixty-eight thousand, eight hundred seventy-one".