2851845864 has 48 divisors (see below), whose sum is σ = 8293636800. Its totient is φ = 814812768.

The previous prime is 2851845859. The next prime is 2851845911. The reversal of 2851845864 is 4685481582.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1211344 + ... + 1213695.

It is an arithmetic number, because the mean of its divisors is an integer number (172784100).

Almost surely, 2^2851845864 is an apocalyptic number.

2851845864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2851845864 is an abundant number, since it is smaller than the sum of its proper divisors (5441790936).

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

2851845864 is a wasteful number, since it uses less digits than its factorization.

2851845864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425062 (or 2425051 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 51.

The square root of 2851845864 is about 53402.6765621350. The cubic root of 2851845864 is about 1418.1059625347.

The spelling of 2851845864 in words is "two billion, eight hundred fifty-one million, eight hundred forty-five thousand, eight hundred sixty-four".