4887143987 has 4 divisors (see below), whose sum is σ = 5331429816. Its totient is φ = 4442858160.

The previous prime is 4887143971. The next prime is 4887143993. The reversal of 4887143987 is 7893417884.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4887143987 - 2⁴ = 4887143971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4887143687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 222142898 + ... + 222142919.

It is an arithmetic number, because the mean of its divisors is an integer number (1332857454).

Almost surely, 2^4887143987 is an apocalyptic number.

4887143987 is a deficient number, since it is larger than the sum of its proper divisors (444285829).

4887143987 is a wasteful number, since it uses less digits than its factorization.

4887143987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444285828.

The product of its digits is 10838016, while the sum is 59.

The square root of 4887143987 is about 69908.1110244012. Note that the first 3 decimals coincide. The cubic root of 4887143987 is about 1697.0125139321.

The spelling of 4887143987 in words is "four billion, eight hundred eighty-seven million, one hundred forty-three thousand, nine hundred eighty-seven".