2869823772 has 18 divisors (see below), whose sum is σ = 7254276848. Its totient is φ = 956607912.

The previous prime is 2869823717. The next prime is 2869823777. The reversal of 2869823772 is 2773289682.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869823777) 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 5 ways as a sum of consecutive naturals, for example, 39858628 + ... + 39858699.

Almost surely, 2^2869823772 is an apocalyptic number.

It is an amenable number.

2869823772 is an abundant number, since it is smaller than the sum of its proper divisors (4384453076).

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

2869823772 is a wasteful number, since it uses less digits than its factorization.

2869823772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79717337 (or 79717332 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 2869823772 is about 53570.7361532395. The cubic root of 2869823772 is about 1421.0796147296.

The spelling of 2869823772 in words is "two billion, eight hundred sixty-nine million, eight hundred twenty-three thousand, seven hundred seventy-two".