85756693 has 6 divisors (see below), whose sum is σ = 94261622. Its totient is φ = 77960520.

The previous prime is 85756669. The next prime is 85756733. The reversal of 85756693 is 39665758.

It can be written as a sum of positive squares in only one way, i.e., 58110129 + 27646564 = 7623^2 + 5258^2 .

It is not a de Polignac number, because 85756693 - 2¹⁷ = 85625621 is a prime.

It is a super-4 number, since 4×85756693⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85756613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354246 + ... + 354487.

Almost surely, 2^85756693 is an apocalyptic number.

It is an amenable number.

85756693 is a deficient number, since it is larger than the sum of its proper divisors (8504929).

85756693 is a wasteful number, since it uses less digits than its factorization.

85756693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708755 (or 708744 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The square root of 85756693 is about 9260.4909697057. The cubic root of 85756693 is about 440.9838401601.

The spelling of 85756693 in words is "eighty-five million, seven hundred fifty-six thousand, six hundred ninety-three".