858694525252 has 24 divisors (see below), whose sum is σ = 1506782382336. Its totient is φ = 428186286528.

The previous prime is 858694525219. The next prime is 858694525267. The reversal of 858694525252 is 252525496858.

858694525252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295128 + ... + 3546160.

It is an arithmetic number, because the mean of its divisors is an integer number (62782599264).

Almost surely, 2^858694525252 is an apocalyptic number.

It is an amenable number.

858694525252 is a deficient number, since it is larger than the sum of its proper divisors (648087857084).

858694525252 is a wasteful number, since it uses less digits than its factorization.

858694525252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253347 (or 253345 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 61.

The spelling of 858694525252 in words is "eight hundred fifty-eight billion, six hundred ninety-four million, five hundred twenty-five thousand, two hundred fifty-two".