867677 has 2 divisors, whose sum is σ = 867678. Its totient is φ = 867676.

The previous prime is 867653. The next prime is 867679. The reversal of 867677 is 776768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857476 + 10201 = 926^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 867677 - 2¹⁰ = 866653 is a prime.

Together with 867679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867677.

It is not a weakly prime, because it can be changed into another prime (867679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433838 + 433839.

It is an arithmetic number, because the mean of its divisors is an integer number (433839).

2⁸⁶⁷⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

867677 is a deficient number, since it is larger than the sum of its proper divisors (1).

867677 is an equidigital number, since it uses as much as digits as its factorization.

867677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 41.

The square root of 867677 is about 931.4918142421. The cubic root of 867677 is about 95.3789847159.

Subtracting from 867677 its reverse (776768), we obtain a palindrome (90909).

The spelling of 867677 in words is "eight hundred sixty-seven thousand, six hundred seventy-seven".