4779881 has 4 divisors (see below), whose sum is σ = 4785792. Its totient is φ = 4773972.

The previous prime is 4779877. The next prime is 4779889. The reversal of 4779881 is 1889774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1889774 = 2 ⋅944887.

It is a cyclic number.

It is not a de Polignac number, because 4779881 - 2² = 4779877 is a prime.

It is a super-2 number, since 2×4779881² = 45694524748322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4779889) 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, 1505 + ... + 3438.

It is an arithmetic number, because the mean of its divisors is an integer number (1196448).

Almost surely, 2^4779881 is an apocalyptic number.

It is an amenable number.

4779881 is a deficient number, since it is larger than the sum of its proper divisors (5911).

4779881 is an equidigital number, since it uses as much as digits as its factorization.

4779881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910.

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

The square root of 4779881 is about 2186.2938960716. The cubic root of 4779881 is about 168.4505221510.

The spelling of 4779881 in words is "four million, seven hundred seventy-nine thousand, eight hundred eighty-one".