3825978112 has 144 divisors (see below), whose sum is σ = 8885268000. Its totient is φ = 1624965120.

The previous prime is 3825978103. The next prime is 3825978113. The reversal of 3825978112 is 2118795283.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3825978113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10962514 + ... + 10962862.

It is an arithmetic number, because the mean of its divisors is an integer number (61703250).

Almost surely, 2^3825978112 is an apocalyptic number.

3825978112 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 3825978112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4442634000).

3825978112 is an abundant number, since it is smaller than the sum of its proper divisors (5059289888).

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

3825978112 is a wasteful number, since it uses less digits than its factorization.

3825978112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 608 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 3825978112 is about 61854.4914456501. The cubic root of 3825978112 is about 1564.0386958067.

The spelling of 3825978112 in words is "three billion, eight hundred twenty-five million, nine hundred seventy-eight thousand, one hundred twelve".