86464515073 has 2 divisors, whose sum is σ = 86464515074. Its totient is φ = 86464515072.

The previous prime is 86464514959. The next prime is 86464515079. The reversal of 86464515073 is 37051546468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86393669184 + 70845889 = 293928^2 + 8417^2 .

It is a cyclic number.

It is not a de Polignac number, because 86464515073 - 2⁹ = 86464514561 is a prime.

It is a super-2 number, since 2×86464515073² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86464515079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43232257536 + 43232257537.

It is an arithmetic number, because the mean of its divisors is an integer number (43232257537).

Almost surely, 2^86464515073 is an apocalyptic number.

It is an amenable number.

86464515073 is a deficient number, since it is larger than the sum of its proper divisors (1).

86464515073 is an equidigital number, since it uses as much as digits as its factorization.

86464515073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 86464515073 in words is "eighty-six billion, four hundred sixty-four million, five hundred fifteen thousand, seventy-three".