4861441779 has 8 divisors (see below), whose sum is σ = 6484607232. Its totient is φ = 3239618760.

The previous prime is 4861441777. The next prime is 4861441799. The reversal of 4861441779 is 9771441684.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4861441779 - 2¹ = 4861441777 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4861441777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327127 + ... + 341664.

It is an arithmetic number, because the mean of its divisors is an integer number (810575904).

Almost surely, 2^4861441779 is an apocalyptic number.

4861441779 is a deficient number, since it is larger than the sum of its proper divisors (1623165453).

4861441779 is a wasteful number, since it uses less digits than its factorization.

4861441779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671217.

The product of its digits is 1354752, while the sum is 51.

The square root of 4861441779 is about 69724.0401798404. The cubic root of 4861441779 is about 1694.0323373982.

The spelling of 4861441779 in words is "four billion, eight hundred sixty-one million, four hundred forty-one thousand, seven hundred seventy-nine".