3857125734 has 96 divisors (see below), whose sum is σ = 10494731520. Its totient is φ = 994593600.

The previous prime is 3857125703. The next prime is 3857125739. The reversal of 3857125734 is 4375217583.

3857125734 is a `hidden beast` number, since 3 + 8 + 5 + 71 + 2 + 573 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3857125734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857125739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182644 + ... + 202664.

It is an arithmetic number, because the mean of its divisors is an integer number (109320120).

Almost surely, 2^3857125734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3857125734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5247365760).

3857125734 is an abundant number, since it is smaller than the sum of its proper divisors (6637605786).

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

3857125734 is a wasteful number, since it uses less digits than its factorization.

3857125734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20186 (or 20183 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 3857125734 is about 62105.7624862621. The cubic root of 3857125734 is about 1568.2715550239.

The spelling of 3857125734 in words is "three billion, eight hundred fifty-seven million, one hundred twenty-five thousand, seven hundred thirty-four".