28157974314 has 8 divisors (see below), whose sum is σ = 56315948640. Its totient is φ = 9385991436.

The previous prime is 28157974309. The next prime is 28157974333. The reversal of 28157974314 is 41347975182.

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

28157974314 is an admirable 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, 2346497854 + ... + 2346497865.

It is an arithmetic number, because the mean of its divisors is an integer number (7039493580).

Almost surely, 2^28157974314 is an apocalyptic number.

28157974314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28157974314 is a wasteful number, since it uses less digits than its factorization.

28157974314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692995724.

The product of its digits is 1693440, while the sum is 51.

The spelling of 28157974314 in words is "twenty-eight billion, one hundred fifty-seven million, nine hundred seventy-four thousand, three hundred fourteen".