3987735752 has 64 divisors (see below), whose sum is σ = 10039075200. Its totient is φ = 1434147840.

The previous prime is 3987735733. The next prime is 3987735767. The reversal of 3987735752 is 2575377893.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240977 + ... + 256992.

It is an arithmetic number, because the mean of its divisors is an integer number (156860550).

Almost surely, 2^3987735752 is an apocalyptic number.

It is an amenable number.

3987735752 is an abundant number, since it is smaller than the sum of its proper divisors (6051339448).

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

3987735752 is a wasteful number, since it uses less digits than its factorization.

3987735752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498006 (or 498002 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 56.

The square root of 3987735752 is about 63148.5213761969. The cubic root of 3987735752 is about 1585.7770343746. Note that the first 3 decimals are identical.

The spelling of 3987735752 in words is "three billion, nine hundred eighty-seven million, seven hundred thirty-five thousand, seven hundred fifty-two".