324878669 has 2 divisors, whose sum is σ = 324878670. Its totient is φ = 324878668.

The previous prime is 324878641. The next prime is 324878699. The reversal of 324878669 is 966878423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322741225 + 2137444 = 17965^2 + 1462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324878669 is a prime.

It is a super-2 number, since 2×324878669² = 211092299142423122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 324878669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324878699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162439334 + 162439335.

It is an arithmetic number, because the mean of its divisors is an integer number (162439335).

Almost surely, 2^324878669 is an apocalyptic number.

It is an amenable number.

324878669 is a deficient number, since it is larger than the sum of its proper divisors (1).

324878669 is an equidigital number, since it uses as much as digits as its factorization.

324878669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The square root of 324878669 is about 18024.3909467144. The cubic root of 324878669 is about 687.4488646926.

The spelling of 324878669 in words is "three hundred twenty-four million, eight hundred seventy-eight thousand, six hundred sixty-nine".