8678864 has 20 divisors (see below), whose sum is σ = 16878756. Its totient is φ = 4323072.

The previous prime is 8678863. The next prime is 8678893. The reversal of 8678864 is 4688768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 7333264 = 1160^2 + 2708^2 .

Its product of digits (516096) is a multiple of the sum of its prime divisors (2048).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8678863) 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, 4142 + ... + 5874.

Almost surely, 2^8678864 is an apocalyptic number.

It is an amenable number.

8678864 is a deficient number, since it is larger than the sum of its proper divisors (8199892).

8678864 is a wasteful number, since it uses less digits than its factorization.

8678864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2048 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 8678864 is about 2945.9911744606. The cubic root of 8678864 is about 205.5043224425.

The spelling of 8678864 in words is "eight million, six hundred seventy-eight thousand, eight hundred sixty-four".