845358858 has 12 divisors (see below), whose sum is σ = 1831610898. Its totient is φ = 281786280.

The previous prime is 845358841. The next prime is 845358883. The reversal of 845358858 is 858853548.

It is a happy number.

845358858 is a `hidden beast` number, since 8 + 4 + 5 + 3 + 588 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 655001649 + 190357209 = 25593^2 + 13797^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23482173 + ... + 23482208.

Almost surely, 2^845358858 is an apocalyptic number.

845358858 is an abundant number, since it is smaller than the sum of its proper divisors (986252040).

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

845358858 is a wasteful number, since it uses less digits than its factorization.

845358858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46964389 (or 46964386 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 54.

The square root of 845358858 is about 29075.0555975393. The cubic root of 845358858 is about 945.5410087676.

The spelling of 845358858 in words is "eight hundred forty-five million, three hundred fifty-eight thousand, eight hundred fifty-eight".