2780052805 has 8 divisors (see below), whose sum is σ = 3336459552. Its totient is φ = 2223778128.

The previous prime is 2780052791. The next prime is 2780052817. The reversal of 2780052805 is 5082500872.

2780052805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2780052805 - 2²⁵ = 2746498373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21474 + ... + 77596.

It is an arithmetic number, because the mean of its divisors is an integer number (417057444).

Almost surely, 2^2780052805 is an apocalyptic number.

It is an amenable number.

2780052805 is a deficient number, since it is larger than the sum of its proper divisors (556406747).

2780052805 is an equidigital number, since it uses as much as digits as its factorization.

2780052805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66035.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 2780052805 is about 52726.2060554332. The cubic root of 2780052805 is about 1406.1047705691.

The spelling of 2780052805 in words is "two billion, seven hundred eighty million, fifty-two thousand, eight hundred five".