858349935968 has 72 divisors (see below), whose sum is σ = 2081408496552. Its totient is φ = 346225173504.

The previous prime is 858349935953. The next prime is 858349935997. The reversal of 858349935968 is 869539943858.

858349935968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×858349935968² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16073846 + ... + 16127157.

It is an arithmetic number, because the mean of its divisors is an integer number (28908451341).

Almost surely, 2^858349935968 is an apocalyptic number.

It is an amenable number.

858349935968 is an abundant number, since it is smaller than the sum of its proper divisors (1223058560584).

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

858349935968 is a wasteful number, since it uses less digits than its factorization.

858349935968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32201044 (or 32201029 counting only the distinct ones).

The product of its digits is 2015539200, while the sum is 77.

The spelling of 858349935968 in words is "eight hundred fifty-eight billion, three hundred forty-nine million, nine hundred thirty-five thousand, nine hundred sixty-eight".