2809779082 has 16 divisors (see below), whose sum is σ = 4630903200. Its totient is φ = 1267982640.

The previous prime is 2809779073. The next prime is 2809779083.

2809779082 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2809779083) 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, 456357 + ... + 462472.

It is an arithmetic number, because the mean of its divisors is an integer number (289431450).

Almost surely, 2^2809779082 is an apocalyptic number.

2809779082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2809779082 is a deficient number, since it is larger than the sum of its proper divisors (1821124118).

2809779082 is a wasteful number, since it uses less digits than its factorization.

2809779082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918981.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 2809779082 is about 53007.3493206367. The cubic root of 2809779082 is about 1411.0986996743.

The spelling of 2809779082 in words is "two billion, eight hundred nine million, seven hundred seventy-nine thousand, eighty-two".