86144713 has 2 divisors, whose sum is σ = 86144714. Its totient is φ = 86144712.

The previous prime is 86144711. The next prime is 86144767. The reversal of 86144713 is 31744168.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60419529 + 25725184 = 7773^2 + 5072^2 .

It is a cyclic number.

It is not a de Polignac number, because 86144713 - 2¹ = 86144711 is a prime.

Together with 86144711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86144711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43072356 + 43072357.

It is an arithmetic number, because the mean of its divisors is an integer number (43072357).

Almost surely, 2^86144713 is an apocalyptic number.

It is an amenable number.

86144713 is a deficient number, since it is larger than the sum of its proper divisors (1).

86144713 is an equidigital number, since it uses as much as digits as its factorization.

86144713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 86144713 is about 9281.4176180150. The cubic root of 86144713 is about 441.6479404109.

The spelling of 86144713 in words is "eighty-six million, one hundred forty-four thousand, seven hundred thirteen".