3835862568 has 80 divisors (see below), whose sum is σ = 10806386580. Its totient is φ = 1271192832.

The previous prime is 3835862549. The next prime is 3835862623. The reversal of 3835862568 is 8652685383.

3835862568 is a `hidden beast` number, since 3 + 8 + 3 + 5 + 8 + 625 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2856047364 + 979815204 = 53442^2 + 31302^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94996 + ... + 129212.

Almost surely, 2^3835862568 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 3835862568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5403193290).

3835862568 is an abundant number, since it is smaller than the sum of its proper divisors (6970524012).

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

3835862568 is a wasteful number, since it uses less digits than its factorization.

3835862568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34408 (or 34395 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 3835862568 is about 61934.3407811854. The cubic root of 3835862568 is about 1565.3844412070.

The spelling of 3835862568 in words is "three billion, eight hundred thirty-five million, eight hundred sixty-two thousand, five hundred sixty-eight".