86180590079 has 2 divisors, whose sum is σ = 86180590080. Its totient is φ = 86180590078.

The previous prime is 86180590073. The next prime is 86180590087. The reversal of 86180590079 is 97009508168.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86180590079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86180590079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86180590073) 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, 43090295039 + 43090295040.

It is an arithmetic number, because the mean of its divisors is an integer number (43090295040).

Almost surely, 2^86180590079 is an apocalyptic number.

86180590079 is a deficient number, since it is larger than the sum of its proper divisors (1).

86180590079 is an equidigital number, since it uses as much as digits as its factorization.

86180590079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 86180590079 in words is "eighty-six billion, one hundred eighty million, five hundred ninety thousand, seventy-nine".