8678681 has 4 divisors (see below), whose sum is σ = 9467664. Its totient is φ = 7889700.

The previous prime is 8678671. The next prime is 8678693. The reversal of 8678681 is 1868768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8678681 is a prime.

It is a super-2 number, since 2×8678681² = 150639007799522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8678671) 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, 394475 + ... + 394496.

It is an arithmetic number, because the mean of its divisors is an integer number (2366916).

Almost surely, 2^8678681 is an apocalyptic number.

It is an amenable number.

8678681 is a deficient number, since it is larger than the sum of its proper divisors (788983).

8678681 is a wasteful number, since it uses less digits than its factorization.

8678681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788982.

The product of its digits is 129024, while the sum is 44.

The square root of 8678681 is about 2945.9601151407. The cubic root of 8678681 is about 205.5028780309.

The spelling of 8678681 in words is "eight million, six hundred seventy-eight thousand, six hundred eighty-one".