86084183621 has 2 divisors, whose sum is σ = 86084183622. Its totient is φ = 86084183620.

The previous prime is 86084183617. The next prime is 86084183629. The reversal of 86084183621 is 12638148068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52819530625 + 33264652996 = 229825^2 + 182386^2 .

It is a cyclic number.

It is not a de Polignac number, because 86084183621 - 2² = 86084183617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86084183629) 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, 43042091810 + 43042091811.

It is an arithmetic number, because the mean of its divisors is an integer number (43042091811).

Almost surely, 2^86084183621 is an apocalyptic number.

It is an amenable number.

86084183621 is a deficient number, since it is larger than the sum of its proper divisors (1).

86084183621 is an equidigital number, since it uses as much as digits as its factorization.

86084183621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 86084183621 in words is "eighty-six billion, eighty-four million, one hundred eighty-three thousand, six hundred twenty-one".