2884678729 has 2 divisors, whose sum is σ = 2884678730. Its totient is φ = 2884678728.

The previous prime is 2884678723. The next prime is 2884678733. The reversal of 2884678729 is 9278764882.

2884678729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2838438729 + 46240000 = 53277^2 + 6800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2884678729 - 2⁹ = 2884678217 is a prime.

It is a super-3 number, since 3×2884678729³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2884678723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442339364 + 1442339365.

It is an arithmetic number, because the mean of its divisors is an integer number (1442339365).

Almost surely, 2^2884678729 is an apocalyptic number.

It is an amenable number.

2884678729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2884678729 is an equidigital number, since it uses as much as digits as its factorization.

2884678729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21676032, while the sum is 61.

The square root of 2884678729 is about 53709.2052538482. The cubic root of 2884678729 is about 1423.5273558771.

The spelling of 2884678729 in words is "two billion, eight hundred eighty-four million, six hundred seventy-eight thousand, seven hundred twenty-nine".