85286693 has 2 divisors, whose sum is σ = 85286694. Its totient is φ = 85286692.

The previous prime is 85286659. The next prime is 85286713. The reversal of 85286693 is 39668258.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62457409 + 22829284 = 7903^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 85286693 - 2⁶ = 85286629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85286293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42643346 + 42643347.

It is an arithmetic number, because the mean of its divisors is an integer number (42643347).

Almost surely, 2^85286693 is an apocalyptic number.

It is an amenable number.

85286693 is a deficient number, since it is larger than the sum of its proper divisors (1).

85286693 is an equidigital number, since it uses as much as digits as its factorization.

85286693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 85286693 is about 9235.0794798962. The cubic root of 85286693 is about 440.1767420122.

The spelling of 85286693 in words is "eighty-five million, two hundred eighty-six thousand, six hundred ninety-three".