2772857285 has 8 divisors (see below), whose sum is σ = 3629922336. Its totient is φ = 2016623440.

The previous prime is 2772857273. The next prime is 2772857287. The reversal of 2772857285 is 5827582772.

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

It is not a de Polignac number, because 2772857285 - 2²⁰ = 2771808709 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 (2772857287) 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, 25207739 + ... + 25207848.

It is an arithmetic number, because the mean of its divisors is an integer number (453740292).

Almost surely, 2^2772857285 is an apocalyptic number.

It is an amenable number.

2772857285 is a deficient number, since it is larger than the sum of its proper divisors (857065051).

2772857285 is a wasteful number, since it uses less digits than its factorization.

2772857285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50415603.

The product of its digits is 4390400, while the sum is 53.

The square root of 2772857285 is about 52657.9270860523. The cubic root of 2772857285 is about 1404.8905973923.

The spelling of 2772857285 in words is "two billion, seven hundred seventy-two million, eight hundred fifty-seven thousand, two hundred eighty-five".