2399872872 has 16 divisors (see below), whose sum is σ = 5999682240. Its totient is φ = 799957616.

The previous prime is 2399872861. The next prime is 2399872879. The reversal of 2399872872 is 2782789932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2399872879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49997328 + ... + 49997375.

It is an arithmetic number, because the mean of its divisors is an integer number (374980140).

Almost surely, 2^2399872872 is an apocalyptic number.

It is an amenable number.

2399872872 is an abundant number, since it is smaller than the sum of its proper divisors (3599809368).

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

2399872872 is a wasteful number, since it uses less digits than its factorization.

2399872872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99994712 (or 99994708 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The square root of 2399872872 is about 48988.4973437643. The cubic root of 2399872872 is about 1338.8422598380.

The spelling of 2399872872 in words is "two billion, three hundred ninety-nine million, eight hundred seventy-two thousand, eight hundred seventy-two".