4452778879 has 4 divisors (see below), whose sum is σ = 4462396576. Its totient is φ = 4443161184.

The previous prime is 4452778859. The next prime is 4452778951. The reversal of 4452778879 is 9788772544.

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 4452778879 - 2¹¹ = 4452776831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452778859) 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, 4808154 + ... + 4809079.

It is an arithmetic number, because the mean of its divisors is an integer number (1115599144).

Almost surely, 2^4452778879 is an apocalyptic number.

4452778879 is a deficient number, since it is larger than the sum of its proper divisors (9617697).

4452778879 is an equidigital number, since it uses as much as digits as its factorization.

4452778879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617696.

The product of its digits is 31610880, while the sum is 61.

The square root of 4452778879 is about 66729.1456486594. The cubic root of 4452778879 is about 1645.1684652996.

The spelling of 4452778879 in words is "four billion, four hundred fifty-two million, seven hundred seventy-eight thousand, eight hundred seventy-nine".