3987627545 has 8 divisors (see below), whose sum is σ = 5220167040. Its totient is φ = 2900092720.

The previous prime is 3987627517. The next prime is 3987627547. The reversal of 3987627545 is 5457267893.

3987627545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3987627545 - 2¹⁰ = 3987626521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3987627547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36251105 + ... + 36251214.

It is an arithmetic number, because the mean of its divisors is an integer number (652520880).

Almost surely, 2^3987627545 is an apocalyptic number.

It is an amenable number.

3987627545 is a deficient number, since it is larger than the sum of its proper divisors (1232539495).

3987627545 is a wasteful number, since it uses less digits than its factorization.

3987627545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72502335.

The product of its digits is 12700800, while the sum is 56.

The square root of 3987627545 is about 63147.6646044808. The cubic root of 3987627545 is about 1585.7626909194.

The spelling of 3987627545 in words is "three billion, nine hundred eighty-seven million, six hundred twenty-seven thousand, five hundred forty-five".