873849279 has 8 divisors (see below), whose sum is σ = 1165478272. Its totient is φ = 582393240.

The previous prime is 873849269. The next prime is 873849287. The reversal of 873849279 is 972948378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 873849279 - 2¹¹ = 873847231 is a prime.

It is a super-2 number, since 2×873849279² = 1527225124817639682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873849269) 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 7 ways as a sum of consecutive naturals, for example, 30949 + ... + 52014.

It is an arithmetic number, because the mean of its divisors is an integer number (145684784).

Almost surely, 2^873849279 is an apocalyptic number.

873849279 is a deficient number, since it is larger than the sum of its proper divisors (291628993).

873849279 is a wasteful number, since it uses less digits than its factorization.

873849279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86477.

The product of its digits is 6096384, while the sum is 57.

The square root of 873849279 is about 29560.9417813438. The cubic root of 873849279 is about 956.0461217193.

Subtracting 873849279 from its reverse (972948378), we obtain a palindrome (99099099).

The spelling of 873849279 in words is "eight hundred seventy-three million, eight hundred forty-nine thousand, two hundred seventy-nine".