86019879313 has 2 divisors, whose sum is σ = 86019879314. Its totient is φ = 86019879312.

The previous prime is 86019879301. The next prime is 86019879331. The reversal of 86019879313 is 31397891068.

Together with next prime (86019879331) 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., 72120176704 + 13899702609 = 268552^2 + 117897^2 .

It is a cyclic number.

It is not a de Polignac number, because 86019879313 - 2¹³ = 86019871121 is a prime.

It is not a weakly prime, because it can be changed into another prime (86019879613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43009939656 + 43009939657.

It is an arithmetic number, because the mean of its divisors is an integer number (43009939657).

Almost surely, 2^86019879313 is an apocalyptic number.

It is an amenable number.

86019879313 is a deficient number, since it is larger than the sum of its proper divisors (1).

86019879313 is an equidigital number, since it uses as much as digits as its factorization.

86019879313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 86019879313 in words is "eighty-six billion, nineteen million, eight hundred seventy-nine thousand, three hundred thirteen".