86208426613 has 2 divisors, whose sum is σ = 86208426614. Its totient is φ = 86208426612.

The previous prime is 86208426599. The next prime is 86208426631. The reversal of 86208426613 is 31662480268.

Together with next prime (86208426631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62208839889 + 23999586724 = 249417^2 + 154918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86208426613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86208426713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43104213306 + 43104213307.

It is an arithmetic number, because the mean of its divisors is an integer number (43104213307).

Almost surely, 2^86208426613 is an apocalyptic number.

It is an amenable number.

86208426613 is a deficient number, since it is larger than the sum of its proper divisors (1).

86208426613 is an equidigital number, since it uses as much as digits as its factorization.

86208426613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 86208426613 in words is "eighty-six billion, two hundred eight million, four hundred twenty-six thousand, six hundred thirteen".