86964091 has 2 divisors, whose sum is σ = 86964092. Its totient is φ = 86964090.

The previous prime is 86964047. The next prime is 86964113. The reversal of 86964091 is 19046968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86964091 is a prime.

It is not a weakly prime, because it can be changed into another prime (86964491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43482045 + 43482046.

It is an arithmetic number, because the mean of its divisors is an integer number (43482046).

Almost surely, 2^86964091 is an apocalyptic number.

86964091 is a deficient number, since it is larger than the sum of its proper divisors (1).

86964091 is an equidigital number, since it uses as much as digits as its factorization.

86964091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 86964091 is about 9325.4539299704. The cubic root of 86964091 is about 443.0437903742.

The spelling of 86964091 in words is "eighty-six million, nine hundred sixty-four thousand, ninety-one".