2387968809 has 16 divisors (see below), whose sum is σ = 3260633088. Its totient is φ = 1553828112.

The previous prime is 2387968783. The next prime is 2387968819. The reversal of 2387968809 is 9088697832.

It is not a de Polignac number, because 2387968809 - 2⁵ = 2387968777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2387968819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28674 + ... + 74820.

It is an arithmetic number, because the mean of its divisors is an integer number (203789568).

Almost surely, 2^2387968809 is an apocalyptic number.

It is an amenable number.

2387968809 is a deficient number, since it is larger than the sum of its proper divisors (872664279).

2387968809 is a wasteful number, since it uses less digits than its factorization.

2387968809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46564.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The square root of 2387968809 is about 48866.8477497782. The cubic root of 2387968809 is about 1336.6249080416.

The spelling of 2387968809 in words is "two billion, three hundred eighty-seven million, nine hundred sixty-eight thousand, eight hundred nine".