2780080799 has 4 divisors (see below), whose sum is σ = 2787956736. Its totient is φ = 2772204864.

The previous prime is 2780080783. The next prime is 2780080801. The reversal of 2780080799 is 9970800872.

It is a happy number.

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 2780080799 - 2⁴ = 2780080783 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 (2780020799) 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, 3937439 + ... + 3938144.

It is an arithmetic number, because the mean of its divisors is an integer number (696989184).

Almost surely, 2^2780080799 is an apocalyptic number.

2780080799 is a deficient number, since it is larger than the sum of its proper divisors (7875937).

2780080799 is an equidigital number, since it uses as much as digits as its factorization.

2780080799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875936.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 2780080799 is about 52726.4715204801. The cubic root of 2780080799 is about 1406.1094901875.

The spelling of 2780080799 in words is "two billion, seven hundred eighty million, eighty thousand, seven hundred ninety-nine".