873191642 has 16 divisors (see below), whose sum is σ = 1392526080. Its totient is φ = 409732752.

The previous prime is 873191629. The next prime is 873191659. The reversal of 873191642 is 246191378.

873191642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 873191642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176642 + ... + 181517.

It is an arithmetic number, because the mean of its divisors is an integer number (87032880).

Almost surely, 2^873191642 is an apocalyptic number.

873191642 is a deficient number, since it is larger than the sum of its proper divisors (519334438).

873191642 is a wasteful number, since it uses less digits than its factorization.

873191642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358237.

The product of its digits is 72576, while the sum is 41.

The square root of 873191642 is about 29549.8162769246. The cubic root of 873191642 is about 955.8062294378.

The spelling of 873191642 in words is "eight hundred seventy-three million, one hundred ninety-one thousand, six hundred forty-two".