2796884967321 has 15 divisors (see below), whose sum is σ = 4178085213423. Its totient is φ = 1864579943880.

The previous prime is 2796884967287. The next prime is 2796884967341. The reversal of 2796884967321 is 1237694886972.

The square root of 2796884967321 is 1672389.

It is a perfect power (a square), and thus also a powerful number.

2796884967321 is a `hidden beast` number, since 2 + 7 + 9 + 68 + 8 + 496 + 73 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1871941139721 + 924943827600 = 1368189^2 + 961740^2 .

It is not a de Polignac number, because 2796884967321 - 2⁹ = 2796884966809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2796884967321.

It is not an unprimeable number, because it can be changed into a prime (2796884967341) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 14958591 + ... + 15144411.

Almost surely, 2^{2796884967321} is an apocalyptic number.

2796884967321 is the 1672389-th square number.

2796884967321 is the 836195-th centered octagonal number.

It is an amenable number.

2796884967321 is a deficient number, since it is larger than the sum of its proper divisors (1381200246102).

2796884967321 is an frugal number, since it uses more digits than its factorization.

2796884967321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371654 (or 185824 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 2796884967321 in words is "two trillion, seven hundred ninety-six billion, eight hundred eighty-four million, nine hundred sixty-seven thousand, three hundred twenty-one".