86713573 has 2 divisors, whose sum is σ = 86713574. Its totient is φ = 86713572.

The previous prime is 86713559. The next prime is 86713577. The reversal of 86713573 is 37531768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68591524 + 18122049 = 8282^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 86713573 - 2⁹ = 86713061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86713577) 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, 43356786 + 43356787.

It is an arithmetic number, because the mean of its divisors is an integer number (43356787).

Almost surely, 2^86713573 is an apocalyptic number.

It is an amenable number.

86713573 is a deficient number, since it is larger than the sum of its proper divisors (1).

86713573 is an equidigital number, since it uses as much as digits as its factorization.

86713573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 86713573 is about 9312.0122959541. The cubic root of 86713573 is about 442.6179548719.

The spelling of 86713573 in words is "eighty-six million, seven hundred thirteen thousand, five hundred seventy-three".