839772873 has 16 divisors (see below), whose sum is σ = 1253194560. Its totient is φ = 555759648.

The previous prime is 839772853. The next prime is 839772881. The reversal of 839772873 is 378277938.

839772873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 839772873 - 2⁸ = 839772617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (839772823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109815 + ... + 117212.

It is an arithmetic number, because the mean of its divisors is an integer number (78324660).

Almost surely, 2^839772873 is an apocalyptic number.

It is an amenable number.

839772873 is a deficient number, since it is larger than the sum of its proper divisors (413421687).

839772873 is a wasteful number, since it uses less digits than its factorization.

839772873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227173 (or 227167 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 839772873 is about 28978.8349144682. The cubic root of 839772873 is about 943.4537474704.

The spelling of 839772873 in words is "eight hundred thirty-nine million, seven hundred seventy-two thousand, eight hundred seventy-three".