858972275 has 12 divisors (see below), whose sum is σ = 1217286672. Its totient is φ = 589009440.

The previous prime is 858972259. The next prime is 858972281. The reversal of 858972275 is 572279858.

It is a happy number.

858972275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 858972275 - 2⁴ = 858972259 is a prime.

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, 2454032 + ... + 2454381.

It is an arithmetic number, because the mean of its divisors is an integer number (101440556).

Almost surely, 2^858972275 is an apocalyptic number.

858972275 is a deficient number, since it is larger than the sum of its proper divisors (358314397).

858972275 is a wasteful number, since it uses less digits than its factorization.

858972275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908430 (or 4908425 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

The square root of 858972275 is about 29308.2287932928. The cubic root of 858972275 is about 950.5895786248.

The spelling of 858972275 in words is "eight hundred fifty-eight million, nine hundred seventy-two thousand, two hundred seventy-five".