2781872196 has 24 divisors (see below), whose sum is σ = 6492374784. Its totient is φ = 927099360.

The previous prime is 2781872179. The next prime is 2781872201. The reversal of 2781872196 is 6912781872.

It is a super-3 number, since 3×2781872196³ (a number of 29 digits) contains 333 as substring.

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, 44466 + ... + 86838.

It is an arithmetic number, because the mean of its divisors is an integer number (270515616).

Almost surely, 2^2781872196 is an apocalyptic number.

It is an amenable number.

2781872196 is an abundant number, since it is smaller than the sum of its proper divisors (3710502588).

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

2781872196 is a wasteful number, since it uses less digits than its factorization.

2781872196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47851 (or 47849 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The square root of 2781872196 is about 52743.4564282623. The cubic root of 2781872196 is about 1406.4114429801.

The spelling of 2781872196 in words is "two billion, seven hundred eighty-one million, eight hundred seventy-two thousand, one hundred ninety-six".