2780083005 has 16 divisors (see below), whose sum is σ = 5083580544. Its totient is φ = 1270895040.

The previous prime is 2780083003. The next prime is 2780083013. The reversal of 2780083005 is 5003800872.

It is not a de Polignac number, because 2780083005 - 2¹ = 2780083003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780083003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13238386 + ... + 13238595.

It is an arithmetic number, because the mean of its divisors is an integer number (317723784).

Almost surely, 2^2780083005 is an apocalyptic number.

It is an amenable number.

2780083005 is a deficient number, since it is larger than the sum of its proper divisors (2303497539).

2780083005 is a wasteful number, since it uses less digits than its factorization.

2780083005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26476996.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2780083005 is about 52726.4924397594. The cubic root of 2780083005 is about 1406.1098621044.

Adding to 2780083005 its reverse (5003800872), we get a palindrome (7783883877).

The spelling of 2780083005 in words is "two billion, seven hundred eighty million, eighty-three thousand, five".