873783873 has 6 divisors (see below), whose sum is σ = 1262132274. Its totient is φ = 582522576.

The previous prime is 873783839. The next prime is 873783881. The reversal of 873783873 is 378387378.

It can be written as a sum of positive squares in only one way, i.e., 621355329 + 252428544 = 24927^2 + 15888^2 .

It is not a de Polignac number, because 873783873 - 2²¹ = 871686721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (873783893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48543540 + ... + 48543557.

It is an arithmetic number, because the mean of its divisors is an integer number (210355379).

Almost surely, 2^873783873 is an apocalyptic number.

It is an amenable number.

873783873 is a deficient number, since it is larger than the sum of its proper divisors (388348401).

873783873 is a wasteful number, since it uses less digits than its factorization.

873783873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97087103 (or 97087100 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 873783873 is about 29559.8354697722. The cubic root of 873783873 is about 956.0222683637.

The spelling of 873783873 in words is "eight hundred seventy-three million, seven hundred eighty-three thousand, eight hundred seventy-three".