8867423889 has 15 divisors (see below), whose sum is σ = 13247664793. Its totient is φ = 5911050924.

The previous prime is 8867423867. The next prime is 8867423897. The reversal of 8867423889 is 9883247688.

The square root of 8867423889 is 94167.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8867423889 - 2⁵ = 8867423857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8867423819) 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 14 ways as a sum of consecutive naturals, for example, 842272 + ... + 852734.

Almost surely, 2^8867423889 is an apocalyptic number.

8867423889 is the 94167-th square number.

8867423889 is the 47084-th centered octagonal number.

It is an amenable number.

8867423889 is a deficient number, since it is larger than the sum of its proper divisors (4380240904).

8867423889 is an frugal number, since it uses more digits than its factorization.

8867423889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20938 (or 10466 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The cubic root of 8867423889 is about 2069.8195746964.

The spelling of 8867423889 in words is "eight billion, eight hundred sixty-seven million, four hundred twenty-three thousand, eight hundred eighty-nine".