28888602886 has 32 divisors (see below), whose sum is σ = 51375693600. Its totient is φ = 12009876480.

The previous prime is 28888602863. The next prime is 28888602907. The reversal of 28888602886 is 68820688882.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 432171 + ... + 494518.

It is an arithmetic number, because the mean of its divisors is an integer number (1605490425).

Almost surely, 2^28888602886 is an apocalyptic number.

28888602886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28888602886 is a deficient number, since it is larger than the sum of its proper divisors (22487090714).

28888602886 is a wasteful number, since it uses less digits than its factorization.

28888602886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926824.

The product of its (nonzero) digits is 37748736, while the sum is 64.

The spelling of 28888602886 in words is "twenty-eight billion, eight hundred eighty-eight million, six hundred two thousand, eight hundred eighty-six".