326628763 has 2 divisors, whose sum is σ = 326628764. Its totient is φ = 326628762.

The previous prime is 326628713. The next prime is 326628767. The reversal of 326628763 is 367826623.

It is a strong prime.

It is an emirp because it is prime and its reverse (367826623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326628763 is a prime.

It is not a weakly prime, because it can be changed into another prime (326628767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163314381 + 163314382.

It is an arithmetic number, because the mean of its divisors is an integer number (163314382).

Almost surely, 2^326628763 is an apocalyptic number.

326628763 is a deficient number, since it is larger than the sum of its proper divisors (1).

326628763 is an equidigital number, since it uses as much as digits as its factorization.

326628763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 43.

The square root of 326628763 is about 18072.8736785272. The cubic root of 326628763 is about 688.6810644410.

The spelling of 326628763 in words is "three hundred twenty-six million, six hundred twenty-eight thousand, seven hundred sixty-three".