4877987 has 4 divisors (see below), whose sum is σ = 4958016. Its totient is φ = 4797960.

The previous prime is 4877981. The next prime is 4878007. The reversal of 4877987 is 7897784.

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 4877987 - 2⁸ = 4877731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4877981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39923 + ... + 40044.

It is an arithmetic number, because the mean of its divisors is an integer number (1239504).

Almost surely, 2^4877987 is an apocalyptic number.

4877987 is a deficient number, since it is larger than the sum of its proper divisors (80029).

4877987 is an equidigital number, since it uses as much as digits as its factorization.

4877987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80028.

The product of its digits is 790272, while the sum is 50.

The square root of 4877987 is about 2208.6165352999. The cubic root of 4877987 is about 169.5951960154.

The spelling of 4877987 in words is "four million, eight hundred seventy-seven thousand, nine hundred eighty-seven".