4878787 has 4 divisors (see below), whose sum is σ = 4899960. Its totient is φ = 4857616.

The previous prime is 4878767. The next prime is 4878791. The reversal of 4878787 is 7878784.

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 4878787 - 2¹⁵ = 4846019 is a prime.

It is a Duffinian number.

4878787 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4878787.

It is not an unprimeable number, because it can be changed into a prime (4878767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10237 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (1224990).

Almost surely, 2^4878787 is an apocalyptic number.

4878787 is a deficient number, since it is larger than the sum of its proper divisors (21173).

4878787 is a wasteful number, since it uses less digits than its factorization.

4878787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21172.

The product of its digits is 702464, while the sum is 49.

The square root of 4878787 is about 2208.7976367246. The cubic root of 4878787 is about 169.6044668301.

It can be divided in two parts, 4878 and 787, that added together give a palindrome (5665).

The spelling of 4878787 in words is "four million, eight hundred seventy-eight thousand, seven hundred eighty-seven".