2399877899 has 4 divisors (see below), whose sum is σ = 2400023136. Its totient is φ = 2399732664.

The previous prime is 2399877871. The next prime is 2399877901. The reversal of 2399877899 is 9987789932.

It is a happy number.

2399877899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2399877899 - 2¹² = 2399873803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2399877869) 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, 44099 + ... + 82124.

It is an arithmetic number, because the mean of its divisors is an integer number (600005784).

Almost surely, 2^2399877899 is an apocalyptic number.

2399877899 is a deficient number, since it is larger than the sum of its proper divisors (145237).

2399877899 is a wasteful number, since it uses less digits than its factorization.

2399877899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145236.

The product of its digits is 123451776, while the sum is 71.

The square root of 2399877899 is about 48988.5486517002. The cubic root of 2399877899 is about 1338.8431946591.

The spelling of 2399877899 in words is "two billion, three hundred ninety-nine million, eight hundred seventy-seven thousand, eight hundred ninety-nine".