2782255673 has 16 divisors (see below), whose sum is σ = 2906342400. Its totient is φ = 2660437440.

The previous prime is 2782255669. The next prime is 2782255687. The reversal of 2782255673 is 3765522872.

It is a cyclic number.

It is not a de Polignac number, because 2782255673 - 2² = 2782255669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2782255573) 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, 2263223 + ... + 2264451.

It is an arithmetic number, because the mean of its divisors is an integer number (181646400).

Almost surely, 2^2782255673 is an apocalyptic number.

It is an amenable number.

2782255673 is a deficient number, since it is larger than the sum of its proper divisors (124086727).

2782255673 is a wasteful number, since it uses less digits than its factorization.

2782255673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its digits is 1411200, while the sum is 47.

The square root of 2782255673 is about 52747.0916070261. The cubic root of 2782255673 is about 1406.4760639287.

The spelling of 2782255673 in words is "two billion, seven hundred eighty-two million, two hundred fifty-five thousand, six hundred seventy-three".