85786693 has 2 divisors, whose sum is σ = 85786694. Its totient is φ = 85786692.

The previous prime is 85786667. The next prime is 85786697. The reversal of 85786693 is 39668758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75655204 + 10131489 = 8698^2 + 3183^2 .

It is a cyclic number.

It is not a de Polignac number, because 85786693 - 2⁵ = 85786661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85786693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85786697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42893346 + 42893347.

It is an arithmetic number, because the mean of its divisors is an integer number (42893347).

Almost surely, 2^85786693 is an apocalyptic number.

It is an amenable number.

85786693 is a deficient number, since it is larger than the sum of its proper divisors (1).

85786693 is an equidigital number, since it uses as much as digits as its factorization.

85786693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 85786693 is about 9262.1106125980. The cubic root of 85786693 is about 441.0352568381.

The spelling of 85786693 in words is "eighty-five million, seven hundred eighty-six thousand, six hundred ninety-three".