85069817 has 8 divisors (see below), whose sum is σ = 97660416. Its totient is φ = 72588672.

The previous prime is 85069811. The next prime is 85069837. The reversal of 85069817 is 71896058.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85069817 - 2⁶ = 85069753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85069811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25688 + ... + 28809.

It is an arithmetic number, because the mean of its divisors is an integer number (12207552).

Almost surely, 2^85069817 is an apocalyptic number.

It is an amenable number.

85069817 is a deficient number, since it is larger than the sum of its proper divisors (12590599).

85069817 is a wasteful number, since it uses less digits than its factorization.

85069817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54727.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 85069817 is about 9223.3300385490. The cubic root of 85069817 is about 439.8033160192.

The spelling of 85069817 in words is "eighty-five million, sixty-nine thousand, eight hundred seventeen".