79887339 has 12 divisors (see below), whose sum is σ = 131877616. Its totient is φ = 45649872.

The previous prime is 79887323. The next prime is 79887359. The reversal of 79887339 is 93378897.

It is not a de Polignac number, because 79887339 - 2⁴ = 79887323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79887359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633964 + ... + 634089.

Almost surely, 2^79887339 is an apocalyptic number.

79887339 is a deficient number, since it is larger than the sum of its proper divisors (51990277).

79887339 is a wasteful number, since it uses less digits than its factorization.

79887339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268066 (or 1268063 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 79887339 is about 8937.9717497875. The cubic root of 79887339 is about 430.6845756780.

The spelling of 79887339 in words is "seventy-nine million, eight hundred eighty-seven thousand, three hundred thirty-nine".