879749739 has 36 divisors (see below), whose sum is σ = 1402905816. Its totient is φ = 531214200.

The previous prime is 879749683. The next prime is 879749743. The reversal of 879749739 is 937947978.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 879749739 - 2¹³ = 879741547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (879749749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3246174 + ... + 3246444.

It is an arithmetic number, because the mean of its divisors is an integer number (38969606).

Almost surely, 2^879749739 is an apocalyptic number.

879749739 is a deficient number, since it is larger than the sum of its proper divisors (523156077).

879749739 is an equidigital number, since it uses as much as digits as its factorization.

879749739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 285 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 63.

The square root of 879749739 is about 29660.5755001483. The cubic root of 879749739 is about 958.1931214722.

The spelling of 879749739 in words is "eight hundred seventy-nine million, seven hundred forty-nine thousand, seven hundred thirty-nine".