3987637852 has 48 divisors (see below), whose sum is σ = 8000479872. Its totient is φ = 1722530880.

The previous prime is 3987637777. The next prime is 3987637853. The reversal of 3987637852 is 2587367893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987637853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41523 + ... + 98485.

It is an arithmetic number, because the mean of its divisors is an integer number (166676664).

Almost surely, 2^3987637852 is an apocalyptic number.

It is an amenable number.

3987637852 is an abundant number, since it is smaller than the sum of its proper divisors (4012842020).

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

3987637852 is a wasteful number, since it uses less digits than its factorization.

3987637852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57058 (or 57056 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The square root of 3987637852 is about 63147.7462147304. The cubic root of 3987637852 is about 1585.7640571822.

The spelling of 3987637852 in words is "three billion, nine hundred eighty-seven million, six hundred thirty-seven thousand, eight hundred fifty-two".