873994839 has 8 divisors (see below), whose sum is σ = 1166584560. Its totient is φ = 582034176.

The previous prime is 873994787. The next prime is 873994841. The reversal of 873994839 is 938499378.

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

It is not a de Polignac number, because 873994839 - 2⁷ = 873994711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873994039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154012 + ... + 159585.

It is an arithmetic number, because the mean of its divisors is an integer number (145823070).

Almost surely, 2^873994839 is an apocalyptic number.

873994839 is a deficient number, since it is larger than the sum of its proper divisors (292589721).

873994839 is a wasteful number, since it uses less digits than its factorization.

873994839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314529.

The product of its digits is 11757312, while the sum is 60.

The square root of 873994839 is about 29563.4037113456. The cubic root of 873994839 is about 956.0992027066.

The spelling of 873994839 in words is "eight hundred seventy-three million, nine hundred ninety-four thousand, eight hundred thirty-nine".