86208136579 has 2 divisors, whose sum is σ = 86208136580. Its totient is φ = 86208136578.

The previous prime is 86208136577. The next prime is 86208136621. The reversal of 86208136579 is 97563180268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86208136579 - 2¹ = 86208136577 is a prime.

Together with 86208136577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86208136571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43104068289 + 43104068290.

It is an arithmetic number, because the mean of its divisors is an integer number (43104068290).

Almost surely, 2^86208136579 is an apocalyptic number.

86208136579 is a deficient number, since it is larger than the sum of its proper divisors (1).

86208136579 is an equidigital number, since it uses as much as digits as its factorization.

86208136579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 86208136579 in words is "eighty-six billion, two hundred eight million, one hundred thirty-six thousand, five hundred seventy-nine".