873783478 has 16 divisors (see below), whose sum is σ = 1399470336. Its totient is φ = 408177000.

The previous prime is 873783467. The next prime is 873783479. The reversal of 873783478 is 874387378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873783479) 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, 218898 + ... + 222853.

It is an arithmetic number, because the mean of its divisors is an integer number (87466896).

Almost surely, 2^873783478 is an apocalyptic number.

873783478 is a deficient number, since it is larger than the sum of its proper divisors (525686858).

873783478 is a wasteful number, since it uses less digits than its factorization.

873783478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441819.

The product of its digits is 6322176, while the sum is 55.

The square root of 873783478 is about 29559.8287884081. The cubic root of 873783478 is about 956.0221243049.

The spelling of 873783478 in words is "eight hundred seventy-three million, seven hundred eighty-three thousand, four hundred seventy-eight".