2878682329 has 2 divisors, whose sum is σ = 2878682330. Its totient is φ = 2878682328.

The previous prime is 2878682297. The next prime is 2878682341. The reversal of 2878682329 is 9232868782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1975980304 + 902702025 = 44452^2 + 30045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878682329 - 2⁵ = 2878682297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2878682329.

It is not a weakly prime, because it can be changed into another prime (2878682929) 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 as a sum of consecutive naturals, namely, 1439341164 + 1439341165.

It is an arithmetic number, because the mean of its divisors is an integer number (1439341165).

Almost surely, 2^2878682329 is an apocalyptic number.

It is an amenable number.

2878682329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878682329 is an equidigital number, since it uses as much as digits as its factorization.

2878682329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The square root of 2878682329 is about 53653.3533807534. The cubic root of 2878682329 is about 1422.5403065128.

The spelling of 2878682329 in words is "two billion, eight hundred seventy-eight million, six hundred eighty-two thousand, three hundred twenty-nine".