3878475552 has 144 divisors (see below), whose sum is σ = 12843230400. Its totient is φ = 1087197696.

The previous prime is 3878475493. The next prime is 3878475569. The reversal of 3878475552 is 2555748783.

3878475552 is a `hidden beast` number, since 3 + 8 + 7 + 84 + 7 + 5 + 552 = 666.

3878475552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88699 + ... + 124997.

It is an arithmetic number, because the mean of its divisors is an integer number (89189100).

Almost surely, 2^3878475552 is an apocalyptic number.

3878475552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878475552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6421615200).

3878475552 is an abundant number, since it is smaller than the sum of its proper divisors (8964754848).

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

3878475552 is a wasteful number, since it uses less digits than its factorization.

3878475552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36375 (or 36364 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The square root of 3878475552 is about 62277.4080385496. The cubic root of 3878475552 is about 1571.1597786364.

The spelling of 3878475552 in words is "three billion, eight hundred seventy-eight million, four hundred seventy-five thousand, five hundred fifty-two".