86984583971 has 2 divisors, whose sum is σ = 86984583972. Its totient is φ = 86984583970.

The previous prime is 86984583953. The next prime is 86984584009. The reversal of 86984583971 is 17938548968.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86984583971 is a prime.

It is not a weakly prime, because it can be changed into another prime (86984583901) 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, 43492291985 + 43492291986.

It is an arithmetic number, because the mean of its divisors is an integer number (43492291986).

Almost surely, 2^86984583971 is an apocalyptic number.

86984583971 is a deficient number, since it is larger than the sum of its proper divisors (1).

86984583971 is an equidigital number, since it uses as much as digits as its factorization.

86984583971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104509440, while the sum is 68.

The spelling of 86984583971 in words is "eighty-six billion, nine hundred eighty-four million, five hundred eighty-three thousand, nine hundred seventy-one".