28872885886 has 16 divisors (see below), whose sum is σ = 46672328304. Its totient is φ = 13316943744.

The previous prime is 28872885883. The next prime is 28872885893. The reversal of 28872885886 is 68858827882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28872885883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335851 + ... + 412966.

It is an arithmetic number, because the mean of its divisors is an integer number (2917020519).

Almost surely, 2^28872885886 is an apocalyptic number.

28872885886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28872885886 is a deficient number, since it is larger than the sum of its proper divisors (17799442418).

28872885886 is a wasteful number, since it uses less digits than its factorization.

28872885886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750315.

The product of its digits is 220200960, while the sum is 70.

The spelling of 28872885886 in words is "twenty-eight billion, eight hundred seventy-two million, eight hundred eighty-five thousand, eight hundred eighty-six".