3827771725 has 12 divisors (see below), whose sum is σ = 4753725876. Its totient is φ = 3057514880.

The previous prime is 3827771713. The next prime is 3827771729. The reversal of 3827771725 is 5271777283.

It can be written as a sum of positive squares in 6 ways, for example, as 94439524 + 3733332201 = 9718^2 + 61101^2 .

It is not a de Polignac number, because 3827771725 - 2¹⁷ = 3827640653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3827771729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100912 + ... + 133561.

It is an arithmetic number, because the mean of its divisors is an integer number (396143823).

Almost surely, 2^3827771725 is an apocalyptic number.

It is an amenable number.

3827771725 is a deficient number, since it is larger than the sum of its proper divisors (925954151).

3827771725 is a wasteful number, since it uses less digits than its factorization.

3827771725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235136 (or 235131 counting only the distinct ones).

The product of its digits is 1152480, while the sum is 49.

The square root of 3827771725 is about 61868.9883948332. The cubic root of 3827771725 is about 1564.2830639830.

The spelling of 3827771725 in words is "three billion, eight hundred twenty-seven million, seven hundred seventy-one thousand, seven hundred twenty-five".