85662713 has 2 divisors, whose sum is σ = 85662714. Its totient is φ = 85662712.

The previous prime is 85662679. The next prime is 85662743. The reversal of 85662713 is 31726658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66064384 + 19598329 = 8128^2 + 4427^2 .

It is a cyclic number.

It is not a de Polignac number, because 85662713 - 2⁸ = 85662457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85662743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42831356 + 42831357.

It is an arithmetic number, because the mean of its divisors is an integer number (42831357).

Almost surely, 2^85662713 is an apocalyptic number.

It is an amenable number.

85662713 is a deficient number, since it is larger than the sum of its proper divisors (1).

85662713 is an equidigital number, since it uses as much as digits as its factorization.

85662713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 85662713 is about 9255.4153337384. The cubic root of 85662713 is about 440.8226911841.

The spelling of 85662713 in words is "eighty-five million, six hundred sixty-two thousand, seven hundred thirteen".