86078567 has 2 divisors, whose sum is σ = 86078568. Its totient is φ = 86078566.

The previous prime is 86078533. The next prime is 86078593. The reversal of 86078567 is 76587068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86078567 - 2²² = 81884263 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 (86078527) 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, 43039283 + 43039284.

It is an arithmetic number, because the mean of its divisors is an integer number (43039284).

Almost surely, 2^86078567 is an apocalyptic number.

86078567 is a deficient number, since it is larger than the sum of its proper divisors (1).

86078567 is an equidigital number, since it uses as much as digits as its factorization.

86078567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 86078567 is about 9277.8535772020. The cubic root of 86078567 is about 441.5348720482.

The spelling of 86078567 in words is "eighty-six million, seventy-eight thousand, five hundred sixty-seven".