879233249 has 2 divisors, whose sum is σ = 879233250. Its totient is φ = 879233248.

The previous prime is 879233221. The next prime is 879233269. The reversal of 879233249 is 942332978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 804289600 + 74943649 = 28360^2 + 8657^2 .

It is a cyclic number.

It is not a de Polignac number, because 879233249 - 2⁸ = 879232993 is a prime.

It is a super-2 number, since 2×879233249² = 1546102212294192002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (879233219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439616624 + 439616625.

It is an arithmetic number, because the mean of its divisors is an integer number (439616625).

Almost surely, 2^879233249 is an apocalyptic number.

It is an amenable number.

879233249 is a deficient number, since it is larger than the sum of its proper divisors (1).

879233249 is an equidigital number, since it uses as much as digits as its factorization.

879233249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 879233249 is about 29651.8675465813. The cubic root of 879233249 is about 958.0055703902.

The spelling of 879233249 in words is "eight hundred seventy-nine million, two hundred thirty-three thousand, two hundred forty-nine".