2866856412 has 24 divisors (see below), whose sum is σ = 7644950656. Its totient is φ = 819101808.

The previous prime is 2866856381. The next prime is 2866856423. The reversal of 2866856412 is 2146586682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17064538 + ... + 17064705.

Almost surely, 2^2866856412 is an apocalyptic number.

It is an amenable number.

2866856412 is an abundant number, since it is smaller than the sum of its proper divisors (4778094244).

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

2866856412 is a wasteful number, since it uses less digits than its factorization.

2866856412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34129257 (or 34129255 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 2866856412 is about 53543.0332723128. The cubic root of 2866856412 is about 1420.5896532816.

The spelling of 2866856412 in words is "two billion, eight hundred sixty-six million, eight hundred fifty-six thousand, four hundred twelve".