2704780979 has 4 divisors (see below), whose sum is σ = 2822380176. Its totient is φ = 2587181784.

The previous prime is 2704780877. The next prime is 2704781047. The reversal of 2704780979 is 9790874072.

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 2704780979 - 2¹² = 2704776883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2704780979.

It is not an unprimeable number, because it can be changed into a prime (2704780079) 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, 58799564 + ... + 58799609.

It is an arithmetic number, because the mean of its divisors is an integer number (705595044).

Almost surely, 2^2704780979 is an apocalyptic number.

2704780979 is a deficient number, since it is larger than the sum of its proper divisors (117599197).

2704780979 is a wasteful number, since it uses less digits than its factorization.

2704780979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117599196.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 2704780979 is about 52007.5088713159. The cubic root of 2704780979 is about 1393.2980668727.

The spelling of 2704780979 in words is "two billion, seven hundred four million, seven hundred eighty thousand, nine hundred seventy-nine".