8678671 has 2 divisors, whose sum is σ = 8678672. Its totient is φ = 8678670.

The previous prime is 8678669. The next prime is 8678693. The reversal of 8678671 is 1768768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8678671 - 2¹ = 8678669 is a prime.

Together with 8678669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8675671) 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 as a sum of consecutive naturals, namely, 4339335 + 4339336.

It is an arithmetic number, because the mean of its divisors is an integer number (4339336).

Almost surely, 2^8678671 is an apocalyptic number.

8678671 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678671 is an equidigital number, since it uses as much as digits as its factorization.

8678671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 8678671 is about 2945.9584179007. The cubic root of 8678671 is about 205.5027991007.

Subtracting from 8678671 its reverse (1768768), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8678671 in words is "eight million, six hundred seventy-eight thousand, six hundred seventy-one".