4878779 has 4 divisors (see below), whose sum is σ = 5165784. Its totient is φ = 4591776.

The previous prime is 4878767. The next prime is 4878791. The reversal of 4878779 is 9778784.

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

It is an interprime number because it is at equal distance from previous prime (4878767) and next prime (4878791).

It is a cyclic number.

It is not a de Polignac number, because 4878779 - 2¹⁶ = 4813243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878799) 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, 143477 + ... + 143510.

It is an arithmetic number, because the mean of its divisors is an integer number (1291446).

Almost surely, 2^4878779 is an apocalyptic number.

4878779 is a deficient number, since it is larger than the sum of its proper divisors (287005).

4878779 is a wasteful number, since it uses less digits than its factorization.

4878779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287004.

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

The square root of 4878779 is about 2208.7958257838. The cubic root of 4878779 is about 169.6043741270.

The spelling of 4878779 in words is "four million, eight hundred seventy-eight thousand, seven hundred seventy-nine".