3878544587 has 6 divisors (see below), whose sum is σ = 3885853932. Its totient is φ = 3871240692.

The previous prime is 3878544583. The next prime is 3878544589. The reversal of 3878544587 is 7854458783.

It is not a de Polignac number, because 3878544587 - 2² = 3878544583 is a prime.

It is a super-3 number, since 3×3878544587³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3878544583) 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 5 ways as a sum of consecutive naturals, for example, 1626398 + ... + 1628780.

It is an arithmetic number, because the mean of its divisors is an integer number (647642322).

Almost surely, 2^3878544587 is an apocalyptic number.

3878544587 is a deficient number, since it is larger than the sum of its proper divisors (7309345).

3878544587 is an frugal number, since it uses more digits than its factorization.

3878544587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449 (or 3066 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 59.

The square root of 3878544587 is about 62277.9622900429. The cubic root of 3878544587 is about 1571.1691005440.

The spelling of 3878544587 in words is "three billion, eight hundred seventy-eight million, five hundred forty-four thousand, five hundred eighty-seven".