3888911811 has 8 divisors (see below), whose sum is σ = 5458121920. Its totient is φ = 2456154792.

The previous prime is 3888911779. The next prime is 3888911821. The reversal of 3888911811 is 1181198883.

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

It is not a de Polignac number, because 3888911811 - 2⁵ = 3888911779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3888911821) 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, 34113205 + ... + 34113318.

It is an arithmetic number, because the mean of its divisors is an integer number (682265240).

Almost surely, 2^3888911811 is an apocalyptic number.

3888911811 is a deficient number, since it is larger than the sum of its proper divisors (1569210109).

3888911811 is a wasteful number, since it uses less digits than its factorization.

3888911811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68226545.

The product of its digits is 110592, while the sum is 48.

The square root of 3888911811 is about 62361.1402317180. The cubic root of 3888911811 is about 1572.5677497996.

The spelling of 3888911811 in words is "three billion, eight hundred eighty-eight million, nine hundred eleven thousand, eight hundred eleven".