4887791 has 4 divisors (see below), whose sum is σ = 4942800. Its totient is φ = 4832784.

The previous prime is 4887781. The next prime is 4887793. The reversal of 4887791 is 1977884.

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 4887791 - 2¹⁰ = 4886767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4887793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27371 + ... + 27548.

It is an arithmetic number, because the mean of its divisors is an integer number (1235700).

Almost surely, 2^4887791 is an apocalyptic number.

4887791 is a deficient number, since it is larger than the sum of its proper divisors (55009).

4887791 is an equidigital number, since it uses as much as digits as its factorization.

4887791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55008.

The product of its digits is 112896, while the sum is 44.

The square root of 4887791 is about 2210.8349101640. The cubic root of 4887791 is about 169.7087400254.

The spelling of 4887791 in words is "four million, eight hundred eighty-seven thousand, seven hundred ninety-one".