86986699 has 2 divisors, whose sum is σ = 86986700. Its totient is φ = 86986698.

The previous prime is 86986673. The next prime is 86986723. The reversal of 86986699 is 99668968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86986699 - 2⁹ = 86986187 is a prime.

It is not a weakly prime, because it can be changed into another prime (86986619) 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, 43493349 + 43493350.

It is an arithmetic number, because the mean of its divisors is an integer number (43493350).

Almost surely, 2^86986699 is an apocalyptic number.

86986699 is a deficient number, since it is larger than the sum of its proper divisors (1).

86986699 is an equidigital number, since it uses as much as digits as its factorization.

86986699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 61.

The square root of 86986699 is about 9326.6660173934. Note that the first 3 decimals coincide. The cubic root of 86986699 is about 443.0821796528.

The spelling of 86986699 in words is "eighty-six million, nine hundred eighty-six thousand, six hundred ninety-nine".