86346681847 has 2 divisors, whose sum is σ = 86346681848. Its totient is φ = 86346681846.

The previous prime is 86346681803. The next prime is 86346681851. The reversal of 86346681847 is 74818664368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86346681847 - 2¹⁹ = 86346157559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86341681847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43173340923 + 43173340924.

It is an arithmetic number, because the mean of its divisors is an integer number (43173340924).

Almost surely, 2^86346681847 is an apocalyptic number.

86346681847 is a deficient number, since it is larger than the sum of its proper divisors (1).

86346681847 is an equidigital number, since it uses as much as digits as its factorization.

86346681847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37158912, while the sum is 61.

The spelling of 86346681847 in words is "eighty-six billion, three hundred forty-six million, six hundred eighty-one thousand, eight hundred forty-seven".