2772668653 has 8 divisors (see below), whose sum is σ = 2899123776. Its totient is φ = 2646705600.

The previous prime is 2772668629. The next prime is 2772668663. The reversal of 2772668653 is 3568662772.

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 2772668653 - 2¹³ = 2772660461 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 2772668653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772668623) 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, 111468 + ... + 134053.

It is an arithmetic number, because the mean of its divisors is an integer number (362390472).

Almost surely, 2^2772668653 is an apocalyptic number.

2772668653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2772668653 is a deficient number, since it is larger than the sum of its proper divisors (126455123).

2772668653 is a wasteful number, since it uses less digits than its factorization.

2772668653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246035.

The product of its digits is 5080320, while the sum is 52.

The square root of 2772668653 is about 52656.1359482444. The cubic root of 2772668653 is about 1404.8587393598.

The spelling of 2772668653 in words is "two billion, seven hundred seventy-two million, six hundred sixty-eight thousand, six hundred fifty-three".