85662529 has 8 divisors (see below), whose sum is σ = 87615360. Its totient is φ = 83715216.

The previous prime is 85662523. The next prime is 85662539. The reversal of 85662529 is 92526658.

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 85662529 - 2¹⁹ = 85138241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85662523) 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, 57022 + ... + 58504.

It is an arithmetic number, because the mean of its divisors is an integer number (10951920).

Almost surely, 2^85662529 is an apocalyptic number.

It is an amenable number.

85662529 is a deficient number, since it is larger than the sum of its proper divisors (1952831).

85662529 is a wasteful number, since it uses less digits than its factorization.

85662529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its digits is 259200, while the sum is 43.

The square root of 85662529 is about 9255.4053936065. The cubic root of 85662529 is about 440.8223755609.

The spelling of 85662529 in words is "eighty-five million, six hundred sixty-two thousand, five hundred twenty-nine".