85031659 has 8 divisors (see below), whose sum is σ = 86607360. Its totient is φ = 83466600.

The previous prime is 85031657. The next prime is 85031689. The reversal of 85031659 is 95613058.

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 85031659 - 2¹ = 85031657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85031651) 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, 14464 + ... + 19474.

It is an arithmetic number, because the mean of its divisors is an integer number (10825920).

Almost surely, 2^85031659 is an apocalyptic number.

85031659 is a deficient number, since it is larger than the sum of its proper divisors (1575701).

85031659 is a wasteful number, since it uses less digits than its factorization.

85031659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 85031659 is about 9221.2612477903. The cubic root of 85031659 is about 439.7375483735.

The spelling of 85031659 in words is "eighty-five million, thirty-one thousand, six hundred fifty-nine".