85364693 has 2 divisors, whose sum is σ = 85364694. Its totient is φ = 85364692.

The previous prime is 85364683. The next prime is 85364711. The reversal of 85364693 is 39646358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83868964 + 1495729 = 9158^2 + 1223^2 .

It is a cyclic number.

It is not a de Polignac number, because 85364693 - 2⁴ = 85364677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85364683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42682346 + 42682347.

It is an arithmetic number, because the mean of its divisors is an integer number (42682347).

Almost surely, 2^85364693 is an apocalyptic number.

It is an amenable number.

85364693 is a deficient number, since it is larger than the sum of its proper divisors (1).

85364693 is an equidigital number, since it uses as much as digits as its factorization.

85364693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 85364693 is about 9239.3015428657. The cubic root of 85364693 is about 440.3108908193.

The spelling of 85364693 in words is "eighty-five million, three hundred sixty-four thousand, six hundred ninety-three".