4779271839 has 4 divisors (see below), whose sum is σ = 6372362456. Its totient is φ = 3186181224.

The previous prime is 4779271831. The next prime is 4779271841. The reversal of 4779271839 is 9381729774.

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

It is not a de Polignac number, because 4779271839 - 2³ = 4779271831 is a prime.

It is a super-2 number, since 2×4779271839² = 45682878622116883842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779271831) 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, 796545304 + ... + 796545309.

It is an arithmetic number, because the mean of its divisors is an integer number (1593090614).

Almost surely, 2^4779271839 is an apocalyptic number.

4779271839 is a deficient number, since it is larger than the sum of its proper divisors (1593090617).

4779271839 is a wasteful number, since it uses less digits than its factorization.

4779271839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593090616.

The product of its digits is 5334336, while the sum is 57.

The square root of 4779271839 is about 69132.2778374906. The cubic root of 4779271839 is about 1684.4336591653.

The spelling of 4779271839 in words is "four billion, seven hundred seventy-nine million, two hundred seventy-one thousand, eight hundred thirty-nine".