28810223124 has 12 divisors (see below), whose sum is σ = 67223853984. Its totient is φ = 9603407704.

The previous prime is 28810223107. The next prime is 28810223171. The reversal of 28810223124 is 42132201882.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1200425952 + ... + 1200425975.

It is an arithmetic number, because the mean of its divisors is an integer number (5601987832).

Almost surely, 2^28810223124 is an apocalyptic number.

It is an amenable number.

28810223124 is an abundant number, since it is smaller than the sum of its proper divisors (38413630860).

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

28810223124 is a wasteful number, since it uses less digits than its factorization.

28810223124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400851934 (or 2400851932 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 28810223124 in words is "twenty-eight billion, eight hundred ten million, two hundred twenty-three thousand, one hundred twenty-four".