845657358834 has 8 divisors (see below), whose sum is σ = 1691314717680. Its totient is φ = 281885786276.

The previous prime is 845657358811. The next prime is 845657358859. The reversal of 845657358834 is 438853756548.

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

845657358834 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70471446564 + ... + 70471446575.

It is an arithmetic number, because the mean of its divisors is an integer number (211414339710).

Almost surely, 2^845657358834 is an apocalyptic number.

845657358834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

845657358834 is a wasteful number, since it uses less digits than its factorization.

845657358834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140942893144.

The product of its digits is 387072000, while the sum is 66.

The spelling of 845657358834 in words is "eight hundred forty-five billion, six hundred fifty-seven million, three hundred fifty-eight thousand, eight hundred thirty-four".