3925687563 has 12 divisors (see below), whose sum is σ = 6480500208. Its totient is φ = 2243250000.

The previous prime is 3925687559. The next prime is 3925687607. The reversal of 3925687563 is 3657865293.

It is a happy number.

3925687563 is a `hidden beast` number, since 3 + 9 + 2 + 568 + 75 + 6 + 3 = 666.

3925687563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3925687563 - 2² = 3925687559 is a prime.

It is a super-2 number, since 2×3925687563² = 30822045684585757938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3925687523) 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, 31156188 + ... + 31156313.

It is an arithmetic number, because the mean of its divisors is an integer number (540041684).

Almost surely, 2^3925687563 is an apocalyptic number.

3925687563 is a deficient number, since it is larger than the sum of its proper divisors (2554812645).

3925687563 is a wasteful number, since it uses less digits than its factorization.

3925687563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62312514 (or 62312511 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 3925687563 is about 62655.3075405428. The cubic root of 3925687563 is about 1577.5092362264.

The spelling of 3925687563 in words is "three billion, nine hundred twenty-five million, six hundred eighty-seven thousand, five hundred sixty-three".