3887916525 has 36 divisors (see below), whose sum is σ = 7151913652. Its totient is φ = 2017509120.

The previous prime is 3887916499. The next prime is 3887916547. The reversal of 3887916525 is 5256197883.

3887916525 is a `hidden beast` number, since 38 + 8 + 79 + 16 + 525 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 242051364 + 3645865161 = 15558^2 + 60381^2 .

It is not a de Polignac number, because 3887916525 - 2⁵ = 3887916493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 225184 + ... + 241833.

Almost surely, 2^3887916525 is an apocalyptic number.

It is an amenable number.

3887916525 is a deficient number, since it is larger than the sum of its proper divisors (3263997127).

3887916525 is a wasteful number, since it uses less digits than its factorization.

3887916525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467070 (or 467062 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 3887916525 is about 62353.1597034184. The cubic root of 3887916525 is about 1572.4335830298.

The spelling of 3887916525 in words is "three billion, eight hundred eighty-seven million, nine hundred sixteen thousand, five hundred twenty-five".