2878601129 has 2 divisors, whose sum is σ = 2878601130. Its totient is φ = 2878601128.

The previous prime is 2878601111. The next prime is 2878601171. The reversal of 2878601129 is 9211068782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2230389529 + 648211600 = 47227^2 + 25460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878601129 - 2²⁰ = 2877552553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2878601129.

It is not a weakly prime, because it can be changed into another prime (2878601029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439300564 + 1439300565.

It is an arithmetic number, because the mean of its divisors is an integer number (1439300565).

Almost surely, 2^2878601129 is an apocalyptic number.

It is an amenable number.

2878601129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878601129 is an equidigital number, since it uses as much as digits as its factorization.

2878601129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 2878601129 is about 53652.5966659583. The cubic root of 2878601129 is about 1422.5269310230.

The spelling of 2878601129 in words is "two billion, eight hundred seventy-eight million, six hundred one thousand, one hundred twenty-nine".