3887735720 has 32 divisors (see below), whose sum is σ = 9542625120. Its totient is φ = 1413721920.

The previous prime is 3887735717. The next prime is 3887735741. The reversal of 3887735720 is 275377883.

It is a super-2 number, since 2×3887735720² = 30228978057127836800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4417442 + ... + 4418321.

It is an arithmetic number, because the mean of its divisors is an integer number (298207035).

Almost surely, 2^3887735720 is an apocalyptic number.

It is an amenable number.

3887735720 is an abundant number, since it is smaller than the sum of its proper divisors (5654889400).

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

3887735720 is a wasteful number, since it uses less digits than its factorization.

3887735720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835785 (or 8835781 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The square root of 3887735720 is about 62351.7098402281. The cubic root of 3887735720 is about 1572.4092076555.

It can be divided in two parts, 388773 and 5720, that added together give a palindrome (394493).

The spelling of 3887735720 in words is "three billion, eight hundred eighty-seven million, seven hundred thirty-five thousand, seven hundred twenty".