2851770856 has 32 divisors (see below), whose sum is σ = 5990827680. Its totient is φ = 1261224000.

The previous prime is 2851770853. The next prime is 2851770869. The reversal of 2851770856 is 6580771582.

It is not an unprimeable number, because it can be changed into a prime (2851770853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 434670 + ... + 441181.

It is an arithmetic number, because the mean of its divisors is an integer number (187213365).

Almost surely, 2^2851770856 is an apocalyptic number.

It is an amenable number.

2851770856 is an abundant number, since it is smaller than the sum of its proper divisors (3139056824).

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

2851770856 is a wasteful number, since it uses less digits than its factorization.

2851770856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875905 (or 875901 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The square root of 2851770856 is about 53401.9742706204. The cubic root of 2851770856 is about 1418.0935296252.

The spelling of 2851770856 in words is "two billion, eight hundred fifty-one million, seven hundred seventy thousand, eight hundred fifty-six".