86711473 has 2 divisors, whose sum is σ = 86711474. Its totient is φ = 86711472.

The previous prime is 86711453. The next prime is 86711507. The reversal of 86711473 is 37411768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 17205904 = 8337^2 + 4148^2 .

It is a cyclic number.

It is not a de Polignac number, because 86711473 - 2⁹ = 86710961 is a prime.

It is not a weakly prime, because it can be changed into another prime (86711423) 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, 43355736 + 43355737.

It is an arithmetic number, because the mean of its divisors is an integer number (43355737).

Almost surely, 2^86711473 is an apocalyptic number.

It is an amenable number.

86711473 is a deficient number, since it is larger than the sum of its proper divisors (1).

86711473 is an equidigital number, since it uses as much as digits as its factorization.

86711473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 86711473 is about 9311.8995376883. The cubic root of 86711473 is about 442.6143817857.

The spelling of 86711473 in words is "eighty-six million, seven hundred eleven thousand, four hundred seventy-three".