28862728870 has 32 divisors (see below), whose sum is σ = 54640707840. Its totient is φ = 10961857920.

The previous prime is 28862728837. The next prime is 28862728883. The reversal of 28862728870 is 7882726882.

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, 861925 + ... + 894784.

It is an arithmetic number, because the mean of its divisors is an integer number (1707522120).

Almost surely, 2^28862728870 is an apocalyptic number.

28862728870 is a deficient number, since it is larger than the sum of its proper divisors (25777978970).

28862728870 is a wasteful number, since it uses less digits than its factorization.

28862728870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756800.

The product of its (nonzero) digits is 9633792, while the sum is 58.

The spelling of 28862728870 in words is "twenty-eight billion, eight hundred sixty-two million, seven hundred twenty-eight thousand, eight hundred seventy".