85683711850 has 36 divisors (see below), whose sum is σ = 175177174662. Its totient is φ = 31157711200.

The previous prime is 85683711829. The next prime is 85683711859. The reversal of 85683711850 is 5811738658.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 76468287841 + 9215424009 = 276529^2 + 95997^2 .

It is not an unprimeable number, because it can be changed into a prime (85683711859) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7075249 + ... + 7087348.

Almost surely, 2^85683711850 is an apocalyptic number.

85683711850 is an abundant number, since it is smaller than the sum of its proper divisors (89493462812).

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

85683711850 is a wasteful number, since it uses less digits than its factorization.

85683711850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162631 (or 14162615 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 85683711850 in words is "eighty-five billion, six hundred eighty-three million, seven hundred eleven thousand, eight hundred fifty".