8676991 has 2 divisors, whose sum is σ = 8676992. Its totient is φ = 8676990.

The previous prime is 8676973. The next prime is 8677027. The reversal of 8676991 is 1996768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8676991 - 2¹³ = 8668799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8676971) 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, 4338495 + 4338496.

It is an arithmetic number, because the mean of its divisors is an integer number (4338496).

Almost surely, 2^8676991 is an apocalyptic number.

8676991 is a deficient number, since it is larger than the sum of its proper divisors (1).

8676991 is an equidigital number, since it uses as much as digits as its factorization.

8676991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 8676991 is about 2945.6732676928. The cubic root of 8676991 is about 205.4895379696.

It can be divided in two parts, 86 and 76991, that added together give a palindrome (77077).

The spelling of 8676991 in words is "eight million, six hundred seventy-six thousand, nine hundred ninety-one".