2725607779 has 4 divisors (see below), whose sum is σ = 2869060840. Its totient is φ = 2582154720.

The previous prime is 2725607767. The next prime is 2725607861. The reversal of 2725607779 is 9777065272.

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

It is not a de Polignac number, because 2725607779 - 2⁵ = 2725607747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2725601779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71726502 + ... + 71726539.

It is an arithmetic number, because the mean of its divisors is an integer number (717265210).

Almost surely, 2^2725607779 is an apocalyptic number.

2725607779 is a deficient number, since it is larger than the sum of its proper divisors (143453061).

2725607779 is a wasteful number, since it uses less digits than its factorization.

2725607779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143453060.

The product of its (nonzero) digits is 2593080, while the sum is 52.

The square root of 2725607779 is about 52207.3536870047. The cubic root of 2725607779 is about 1396.8650565910.

The spelling of 2725607779 in words is "two billion, seven hundred twenty-five million, six hundred seven thousand, seven hundred seventy-nine".