858116906 has 8 divisors (see below), whose sum is σ = 1288639044. Its totient is φ = 428570560.

The previous prime is 858116887. The next prime is 858116911. The reversal of 858116906 is 609611858.

858116906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 776123881 + 81993025 = 27859^2 + 9055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241745 + ... + 245268.

Almost surely, 2^858116906 is an apocalyptic number.

858116906 is a deficient number, since it is larger than the sum of its proper divisors (430522138).

858116906 is a wasteful number, since it uses less digits than its factorization.

858116906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487896.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 858116906 is about 29293.6325162995. The cubic root of 858116906 is about 950.2739398363.

The spelling of 858116906 in words is "eight hundred fifty-eight million, one hundred sixteen thousand, nine hundred six".