2879278129 has 16 divisors (see below), whose sum is σ = 3565485952. Its totient is φ = 2264122368.

The previous prime is 2879278121. The next prime is 2879278153. The reversal of 2879278129 is 9218729782.

2879278129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2879278129 - 2³ = 2879278121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2879278129.

It is not an unprimeable number, because it can be changed into a prime (2879278121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82224 + ... + 111889.

It is an arithmetic number, because the mean of its divisors is an integer number (222842872).

Almost surely, 2^2879278129 is an apocalyptic number.

It is an amenable number.

2879278129 is a deficient number, since it is larger than the sum of its proper divisors (686207823).

2879278129 is a wasteful number, since it uses less digits than its factorization.

2879278129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194296.

The product of its digits is 2032128, while the sum is 55.

The square root of 2879278129 is about 53658.9054025518. The cubic root of 2879278129 is about 1422.6384406534.

The spelling of 2879278129 in words is "two billion, eight hundred seventy-nine million, two hundred seventy-eight thousand, one hundred twenty-nine".