8737889 has 4 divisors (see below), whose sum is σ = 8745924. Its totient is φ = 8729856.

The previous prime is 8737873. The next prime is 8737921. The reversal of 8737889 is 9887378.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7317025 + 1420864 = 2705^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 8737889 - 2⁴ = 8737873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8737829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (2186481).

Almost surely, 2^8737889 is an apocalyptic number.

It is an amenable number.

8737889 is a deficient number, since it is larger than the sum of its proper divisors (8035).

8737889 is a wasteful number, since it uses less digits than its factorization.

8737889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034.

The product of its digits is 677376, while the sum is 50.

The square root of 8737889 is about 2955.9920500570. The cubic root of 8737889 is about 205.9691489288.

The spelling of 8737889 in words is "eight million, seven hundred thirty-seven thousand, eight hundred eighty-nine".