3984777899 has 8 divisors (see below), whose sum is σ = 4220090880. Its totient is φ = 3754636776.

The previous prime is 3984777893. The next prime is 3984777919. The reversal of 3984777899 is 9987774893.

3984777899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3984777899 - 2²⁴ = 3968000683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984777893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291379 + ... + 1294460.

It is an arithmetic number, because the mean of its divisors is an integer number (527511360).

Almost surely, 2^3984777899 is an apocalyptic number.

3984777899 is a deficient number, since it is larger than the sum of its proper divisors (235312981).

3984777899 is a wasteful number, since it uses less digits than its factorization.

3984777899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585929.

The product of its digits is 192036096, while the sum is 71.

The square root of 3984777899 is about 63125.0972197271. The cubic root of 3984777899 is about 1585.3848606505.

The spelling of 3984777899 in words is "three billion, nine hundred eighty-four million, seven hundred seventy-seven thousand, eight hundred ninety-nine".