85538717 has 8 divisors (see below), whose sum is σ = 93535680. Its totient is φ = 77578560.

The previous prime is 85538681. The next prime is 85538737. The reversal of 85538717 is 71783558.

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 85538717 - 2⁸ = 85538461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85538737) 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, 4217 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (11691960).

Almost surely, 2^85538717 is an apocalyptic number.

It is an amenable number.

85538717 is a deficient number, since it is larger than the sum of its proper divisors (7996963).

85538717 is a wasteful number, since it uses less digits than its factorization.

85538717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403.

The product of its digits is 235200, while the sum is 44.

The square root of 85538717 is about 9248.7143430857. The cubic root of 85538717 is about 440.6098928610.

The spelling of 85538717 in words is "eighty-five million, five hundred thirty-eight thousand, seven hundred seventeen".