858109552 has 10 divisors (see below), whose sum is σ = 1662587288. Its totient is φ = 429054768.

The previous prime is 858109537. The next prime is 858109573. The reversal of 858109552 is 255901858.

858109552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 858109499 and 858109508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26815908 + ... + 26815939.

Almost surely, 2^858109552 is an apocalyptic number.

It is an amenable number.

858109552 is a deficient number, since it is larger than the sum of its proper divisors (804477736).

858109552 is a wasteful number, since it uses less digits than its factorization.

858109552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53631855 (or 53631849 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 43.

The square root of 858109552 is about 29293.5069938715. The cubic root of 858109552 is about 950.2712252355.

The spelling of 858109552 in words is "eight hundred fifty-eight million, one hundred nine thousand, five hundred fifty-two".