2772825321 has 8 divisors (see below), whose sum is σ = 4225257664. Its totient is φ = 1584471600.

The previous prime is 2772825317. The next prime is 2772825323. The reversal of 2772825321 is 1235282772.

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

It is not a de Polignac number, because 2772825321 - 2² = 2772825317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2772825321.

It is not an unprimeable number, because it can be changed into a prime (2772825323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66019630 + ... + 66019671.

It is an arithmetic number, because the mean of its divisors is an integer number (528157208).

Almost surely, 2^2772825321 is an apocalyptic number.

2772825321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2772825321 is a deficient number, since it is larger than the sum of its proper divisors (1452432343).

2772825321 is a wasteful number, since it uses less digits than its factorization.

2772825321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132039311.

The product of its digits is 94080, while the sum is 39.

The square root of 2772825321 is about 52657.6235791172. The cubic root of 2772825321 is about 1404.8851990985.

The spelling of 2772825321 in words is "two billion, seven hundred seventy-two million, eight hundred twenty-five thousand, three hundred twenty-one".