86704590667 has 2 divisors, whose sum is σ = 86704590668. Its totient is φ = 86704590666.

The previous prime is 86704590641. The next prime is 86704590689. The reversal of 86704590667 is 76609540768.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86704590667 is a prime.

It is not a weakly prime, because it can be changed into another prime (86704594667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43352295333 + 43352295334.

It is an arithmetic number, because the mean of its divisors is an integer number (43352295334).

Almost surely, 2^86704590667 is an apocalyptic number.

86704590667 is a deficient number, since it is larger than the sum of its proper divisors (1).

86704590667 is an equidigital number, since it uses as much as digits as its factorization.

86704590667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 86704590667 in words is "eighty-six billion, seven hundred four million, five hundred ninety thousand, six hundred sixty-seven".