85830803838 has 96 divisors (see below), whose sum is σ = 215529455232. Its totient is φ = 24448435200.

The previous prime is 85830803797. The next prime is 85830803857. The reversal of 85830803838 is 83830803858.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65803 + ... + 419513.

It is an arithmetic number, because the mean of its divisors is an integer number (2245098492).

Almost surely, 2^85830803838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85830803838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107764727616).

85830803838 is an abundant number, since it is smaller than the sum of its proper divisors (129698651394).

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

85830803838 is a wasteful number, since it uses less digits than its factorization.

85830803838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353810 (or 353807 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 85830803838 in words is "eighty-five billion, eight hundred thirty million, eight hundred three thousand, eight hundred thirty-eight".