85247686 has 8 divisors (see below), whose sum is σ = 127935360. Its totient is φ = 42602568.

The previous prime is 85247681. The next prime is 85247717. The reversal of 85247686 is 68674258.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85247681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5041 + ... + 13996.

It is an arithmetic number, because the mean of its divisors is an integer number (15991920).

Almost surely, 2^85247686 is an apocalyptic number.

85247686 is a deficient number, since it is larger than the sum of its proper divisors (42687674).

85247686 is a wasteful number, since it uses less digits than its factorization.

85247686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21278.

The product of its digits is 645120, while the sum is 46.

The square root of 85247686 is about 9232.9673453338. The cubic root of 85247686 is about 440.1096248888.

The spelling of 85247686 in words is "eighty-five million, two hundred forty-seven thousand, six hundred eighty-six".