28001374174 has 4 divisors (see below), whose sum is σ = 42002061264. Its totient is φ = 14000687086.

The previous prime is 28001374157. The next prime is 28001374187. The reversal of 28001374174 is 47147310082.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 7000343542 + ... + 7000343545.

It is an arithmetic number, because the mean of its divisors is an integer number (10500515316).

Almost surely, 2^28001374174 is an apocalyptic number.

28001374174 is a deficient number, since it is larger than the sum of its proper divisors (14000687090).

28001374174 is a wasteful number, since it uses less digits than its factorization.

28001374174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000687089.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 28001374174 in words is "twenty-eight billion, one million, three hundred seventy-four thousand, one hundred seventy-four".