3887505487 has 8 divisors (see below), whose sum is σ = 3986266032. Its totient is φ = 3788932800.

The previous prime is 3887505473. The next prime is 3887505491. The reversal of 3887505487 is 7845057883.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3887505487 - 2⁷ = 3887505359 is a prime.

It is a super-2 number, since 2×3887505487² = 30225397822910214338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887505467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4573 + ... + 88294.

It is an arithmetic number, because the mean of its divisors is an integer number (498283254).

Almost surely, 2^3887505487 is an apocalyptic number.

3887505487 is a deficient number, since it is larger than the sum of its proper divisors (98760545).

3887505487 is a wasteful number, since it uses less digits than its factorization.

3887505487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93929.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The square root of 3887505487 is about 62349.8635684153. The cubic root of 3887505487 is about 1572.3781675110.

It can be divided in two parts, 388 and 7505487, that added together give a triangular number (7505875 = T₃₈₇₄).

The spelling of 3887505487 in words is "three billion, eight hundred eighty-seven million, five hundred five thousand, four hundred eighty-seven".