2878291688 has 32 divisors (see below), whose sum is σ = 5592259200. Its totient is φ = 1387870848.

The previous prime is 2878291681. The next prime is 2878291693. The reversal of 2878291688 is 8861928782.

It is not an unprimeable number, because it can be changed into a prime (2878291681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25781 + ... + 80132.

It is an arithmetic number, because the mean of its divisors is an integer number (174758100).

Almost surely, 2^2878291688 is an apocalyptic number.

It is an amenable number.

2878291688 is a deficient number, since it is larger than the sum of its proper divisors (2713967512).

2878291688 is a wasteful number, since it uses less digits than its factorization.

2878291688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106041 (or 106037 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 59.

The square root of 2878291688 is about 53649.7128417292. The cubic root of 2878291688 is about 1422.4759567348.

The spelling of 2878291688 in words is "two billion, eight hundred seventy-eight million, two hundred ninety-one thousand, six hundred eighty-eight".