3875388920 has 64 divisors (see below), whose sum is σ = 9399741120. Its totient is φ = 1429484544.

The previous prime is 3875388919. The next prime is 3875388931. The reversal of 3875388920 is 298835783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617237 + ... + 623483.

It is an arithmetic number, because the mean of its divisors is an integer number (146870955).

Almost surely, 2^3875388920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3875388920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4699870560).

3875388920 is an abundant number, since it is smaller than the sum of its proper divisors (5524352200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3875388920 is a wasteful number, since it uses less digits than its factorization.

3875388920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464 (or 7460 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 3875388920 is about 62252.6217921784. The cubic root of 3875388920 is about 1570.7428726426.

The spelling of 3875388920 in words is "three billion, eight hundred seventy-five million, three hundred eighty-eight thousand, nine hundred twenty".