85316234850 has 1440 divisors, whose sum is σ = 338054523840. Its totient is φ = 15807052800.

The previous prime is 85316234827. The next prime is 85316234863. The reversal of 85316234850 is 5843261358.

85316234850 is a `hidden beast` number, since 8 + 5 + 3 + 162 + 3 + 485 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 85316234796 and 85316234805.

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 4490328141 + ... + 4490328159.

It is an arithmetic number, because the mean of its divisors is an integer number (234760086).

Almost surely, 2^85316234850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85316234850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169027261920).

85316234850 is an abundant number, since it is smaller than the sum of its proper divisors (252738288990).

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

85316234850 is a wasteful number, since it uses less digits than its factorization.

85316234850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 85316234850 in words is "eighty-five billion, three hundred sixteen million, two hundred thirty-four thousand, eight hundred fifty".