2866091272 has 32 divisors (see below), whose sum is σ = 6117353280. Its totient is φ = 1246125760.

The previous prime is 2866091243. The next prime is 2866091279. The reversal of 2866091272 is 2721906682.

It is not an unprimeable number, because it can be changed into a prime (2866091279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706003 + ... + 710050.

It is an arithmetic number, because the mean of its divisors is an integer number (191167290).

Almost surely, 2^2866091272 is an apocalyptic number.

2866091272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2866091272 is an abundant number, since it is smaller than the sum of its proper divisors (3251262008).

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

2866091272 is a wasteful number, since it uses less digits than its factorization.

2866091272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416093 (or 1416089 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2866091272 is about 53535.8877016156. The cubic root of 2866091272 is about 1420.4632608707.

The spelling of 2866091272 in words is "two billion, eight hundred sixty-six million, ninety-one thousand, two hundred seventy-two".