2788668872 has 32 divisors (see below), whose sum is σ = 5738281920. Its totient is φ = 1259979840.

The previous prime is 2788668871. The next prime is 2788668881.

2788668872 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2788668871) 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 in 7 ways as a sum of consecutive naturals, for example, 80183 + ... + 109574.

It is an arithmetic number, because the mean of its divisors is an integer number (179321310).

Almost surely, 2^2788668872 is an apocalyptic number.

2788668872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2788668872 is an abundant number, since it is smaller than the sum of its proper divisors (2949613048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2788668872 is a wasteful number, since it uses less digits than its factorization.

2788668872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189941 (or 189937 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 62.

The square root of 2788668872 is about 52807.8485833309. The cubic root of 2788668872 is about 1407.5558939090. Note that the first 3 decimals are identical.

The spelling of 2788668872 in words is "two billion, seven hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred seventy-two".