3878249472 has 132 divisors (see below), whose sum is σ = 11358000576. Its totient is φ = 1274327040.

The previous prime is 3878249449. The next prime is 3878249483. The reversal of 3878249472 is 2749428783.

It is a happy number.

3878249472 is a `hidden beast` number, since 3 + 8 + 7 + 82 + 494 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651373 + ... + 657299.

Almost surely, 2^3878249472 is an apocalyptic number.

3878249472 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 3878249472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5679000288).

3878249472 is an abundant number, since it is smaller than the sum of its proper divisors (7479751104).

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

3878249472 is a wasteful number, since it uses less digits than its factorization.

3878249472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024 (or 6003 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 3878249472 is about 62275.5929076552. The cubic root of 3878249472 is about 1571.1292499145.

The spelling of 3878249472 in words is "three billion, eight hundred seventy-eight million, two hundred forty-nine thousand, four hundred seventy-two".