856945110 has 32 divisors (see below), whose sum is σ = 2350478592. Its totient is φ = 195873120.

The previous prime is 856945097. The next prime is 856945127. The reversal of 856945110 is 11549658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040136 + ... + 2040555.

It is an arithmetic number, because the mean of its divisors is an integer number (73452456).

Almost surely, 2^856945110 is an apocalyptic number.

856945110 is an abundant number, since it is smaller than the sum of its proper divisors (1493533482).

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

856945110 is a wasteful number, since it uses less digits than its factorization.

856945110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080708.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 856945110 is about 29273.6248182558. The cubic root of 856945110 is about 949.8411959855.

The spelling of 856945110 in words is "eight hundred fifty-six million, nine hundred forty-five thousand, one hundred ten".