28810223168 has 14 divisors (see below), whose sum is σ = 57170286726. Its totient is φ = 14405111552.

The previous prime is 28810223107. The next prime is 28810223171. The reversal of 28810223168 is 86132201882.

It can be written as a sum of positive squares in only one way, i.e., 27222360064 + 1587863104 = 164992^2 + 39848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225079805 + ... + 225079932.

It is an arithmetic number, because the mean of its divisors is an integer number (4083591909).

Almost surely, 2^28810223168 is an apocalyptic number.

It is an amenable number.

28810223168 is a deficient number, since it is larger than the sum of its proper divisors (28360063558).

28810223168 is an equidigital number, since it uses as much as digits as its factorization.

28810223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450159749 (or 450159739 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 28810223168 in words is "twenty-eight billion, eight hundred ten million, two hundred twenty-three thousand, one hundred sixty-eight".