86804699 has 2 divisors, whose sum is σ = 86804700. Its totient is φ = 86804698.

The previous prime is 86804687. The next prime is 86804717. The reversal of 86804699 is 99640868.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86804699 is a prime.

It is not a weakly prime, because it can be changed into another prime (86804639) 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, 43402349 + 43402350.

It is an arithmetic number, because the mean of its divisors is an integer number (43402350).

Almost surely, 2^86804699 is an apocalyptic number.

86804699 is a deficient number, since it is larger than the sum of its proper divisors (1).

86804699 is an equidigital number, since it uses as much as digits as its factorization.

86804699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 86804699 is about 9316.9039385410. The cubic root of 86804699 is about 442.7729474595.

The spelling of 86804699 in words is "eighty-six million, eight hundred four thousand, six hundred ninety-nine".