3868948779 has 8 divisors (see below), whose sum is σ = 5278565952. Its totient is φ = 2519315400.

The previous prime is 3868948753. The next prime is 3868948793. The reversal of 3868948779 is 9778498683.

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

It is not a de Polignac number, because 3868948779 - 2⁹ = 3868948267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3868948709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14995797 + ... + 14996054.

It is an arithmetic number, because the mean of its divisors is an integer number (659820744).

Almost surely, 2^3868948779 is an apocalyptic number.

3868948779 is a deficient number, since it is larger than the sum of its proper divisors (1409617173).

3868948779 is a wasteful number, since it uses less digits than its factorization.

3868948779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29991897.

The product of its digits is 146313216, while the sum is 69.

The square root of 3868948779 is about 62200.8744231140. The cubic root of 3868948779 is about 1569.8723007283.

The spelling of 3868948779 in words is "three billion, eight hundred sixty-eight million, nine hundred forty-eight thousand, seven hundred seventy-nine".