86183856631 has 2 divisors, whose sum is σ = 86183856632. Its totient is φ = 86183856630.

The previous prime is 86183856613. The next prime is 86183856637. The reversal of 86183856631 is 13665838168.

Together with previous prime (86183856613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86183856631 - 2⁹ = 86183856119 is a prime.

It is a super-2 number, since 2×86183856631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86183856637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43091928315 + 43091928316.

It is an arithmetic number, because the mean of its divisors is an integer number (43091928316).

Almost surely, 2^86183856631 is an apocalyptic number.

86183856631 is a deficient number, since it is larger than the sum of its proper divisors (1).

86183856631 is an equidigital number, since it uses as much as digits as its factorization.

86183856631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 55.

The spelling of 86183856631 in words is "eighty-six billion, one hundred eighty-three million, eight hundred fifty-six thousand, six hundred thirty-one".