86984567 has 2 divisors, whose sum is σ = 86984568. Its totient is φ = 86984566.

The previous prime is 86984549. The next prime is 86984587. The reversal of 86984567 is 76548968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86984567 - 2²² = 82790263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86984587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43492283 + 43492284.

It is an arithmetic number, because the mean of its divisors is an integer number (43492284).

Almost surely, 2^86984567 is an apocalyptic number.

86984567 is a deficient number, since it is larger than the sum of its proper divisors (1).

86984567 is an equidigital number, since it uses as much as digits as its factorization.

86984567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 86984567 is about 9326.5517207594. The cubic root of 86984567 is about 443.0785597165.

The spelling of 86984567 in words is "eighty-six million, nine hundred eighty-four thousand, five hundred sixty-seven".