879249733 has 2 divisors, whose sum is σ = 879249734. Its totient is φ = 879249732.

The previous prime is 879249731. The next prime is 879249739. The reversal of 879249733 is 337942978.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618168769 + 261080964 = 24863^2 + 16158^2 .

It is a cyclic number.

It is not a de Polignac number, because 879249733 - 2¹ = 879249731 is a prime.

Together with 879249731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879249731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439624866 + 439624867.

It is an arithmetic number, because the mean of its divisors is an integer number (439624867).

Almost surely, 2^879249733 is an apocalyptic number.

It is an amenable number.

879249733 is a deficient number, since it is larger than the sum of its proper divisors (1).

879249733 is an equidigital number, since it uses as much as digits as its factorization.

879249733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 879249733 is about 29652.1455041621. The cubic root of 879249733 is about 958.0115572980.

The spelling of 879249733 in words is "eight hundred seventy-nine million, two hundred forty-nine thousand, seven hundred thirty-three".