28124808074 has 8 divisors (see below), whose sum is σ = 46022413248. Its totient is φ = 12784003660.

The previous prime is 28124808059. The next prime is 28124808077. The reversal of 28124808074 is 47080842182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28124808077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639200162 + ... + 639200205.

It is an arithmetic number, because the mean of its divisors is an integer number (5752801656).

Almost surely, 2^28124808074 is an apocalyptic number.

28124808074 is a deficient number, since it is larger than the sum of its proper divisors (17897605174).

28124808074 is a wasteful number, since it uses less digits than its factorization.

28124808074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278400380.

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 28124808074 in words is "twenty-eight billion, one hundred twenty-four million, eight hundred eight thousand, seventy-four".