3851477568 has 168 divisors, whose sum is σ = 11738015640. Its totient is φ = 1207418880.

The previous prime is 3851477563. The next prime is 3851477587. The reversal of 3851477568 is 8657741583.

It is a happy number.

3851477568 is a `hidden beast` number, since 3 + 8 + 5 + 1 + 4 + 77 + 568 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 260112384 + 3591365184 = 16128^2 + 59928^2 .

It is not an unprimeable number, because it can be changed into a prime (3851477563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2829208 + ... + 2830568.

Almost surely, 2^3851477568 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 3851477568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5869007820).

3851477568 is an abundant number, since it is smaller than the sum of its proper divisors (7886538072).

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

3851477568 is a wasteful number, since it uses less digits than its factorization.

3851477568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1383 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The square root of 3851477568 is about 62060.2736700379. The cubic root of 3851477568 is about 1567.5056837626.

The spelling of 3851477568 in words is "three billion, eight hundred fifty-one million, four hundred seventy-seven thousand, five hundred sixty-eight".