85793669 has 4 divisors (see below), whose sum is σ = 92393196. Its totient is φ = 79194144.

The previous prime is 85793627. The next prime is 85793677. The reversal of 85793669 is 96639758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13322500 + 72471169 = 3650^2 + 8513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85793669 is a prime.

It is a super-2 number, since 2×85793669² = 14721107280963122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85793669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85793369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299744 + ... + 3299769.

It is an arithmetic number, because the mean of its divisors is an integer number (23098299).

Almost surely, 2^85793669 is an apocalyptic number.

It is an amenable number.

85793669 is a deficient number, since it is larger than the sum of its proper divisors (6599527).

85793669 is a wasteful number, since it uses less digits than its factorization.

85793669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599526.

The product of its digits is 2449440, while the sum is 53.

The square root of 85793669 is about 9262.4871929736. The cubic root of 85793669 is about 441.0472112118.

The spelling of 85793669 in words is "eighty-five million, seven hundred ninety-three thousand, six hundred sixty-nine".