9867239379 has 6 divisors (see below), whose sum is σ = 14252679116. Its totient is φ = 6578159580.

The previous prime is 9867239329. The next prime is 9867239387. The reversal of 9867239379 is 9739327689.

It is not a de Polignac number, because 9867239379 - 2¹² = 9867235283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9867239329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548179957 + ... + 548179974.

Almost surely, 2^9867239379 is an apocalyptic number.

9867239379 is a deficient number, since it is larger than the sum of its proper divisors (4385439737).

9867239379 is a wasteful number, since it uses less digits than its factorization.

9867239379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096359937 (or 1096359934 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The square root of 9867239379 is about 99333.9789749711. The cubic root of 9867239379 is about 2144.8580478868.

The spelling of 9867239379 in words is "nine billion, eight hundred sixty-seven million, two hundred thirty-nine thousand, three hundred seventy-nine".