85000083500 has 48 divisors (see below), whose sum is σ = 185674900320. Its totient is φ = 33993675200.

The previous prime is 85000083473. The next prime is 85000083517. The reversal of 85000083500 is 538000058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389006 + ... + 3413994.

It is an arithmetic number, because the mean of its divisors is an integer number (3868227090).

Almost surely, 2^85000083500 is an apocalyptic number.

It is an amenable number.

85000083500 is an abundant number, since it is smaller than the sum of its proper divisors (100674816820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85000083500 is a wasteful number, since it uses less digits than its factorization.

85000083500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31811 (or 31799 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 85000083500 its reverse (538000058), we get a palindrome (85538083558).

The spelling of 85000083500 in words is "eighty-five billion, eighty-three thousand, five hundred".