28051702241 has 8 divisors (see below), whose sum is σ = 28619457024. Its totient is φ = 27488332080.

The previous prime is 28051702229. The next prime is 28051702243. The reversal of 28051702241 is 14220715082.

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

It is a cyclic number.

It is not a de Polignac number, because 28051702241 - 2⁶ = 28051702177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28051702198 and 28051702207.

It is not an unprimeable number, because it can be changed into a prime (28051702243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083230 + ... + 1108823.

It is an arithmetic number, because the mean of its divisors is an integer number (3577432128).

Almost surely, 2^28051702241 is an apocalyptic number.

It is an amenable number.

28051702241 is a deficient number, since it is larger than the sum of its proper divisors (567754783).

28051702241 is a wasteful number, since it uses less digits than its factorization.

28051702241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192311.

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 28051702241 in words is "twenty-eight billion, fifty-one million, seven hundred two thousand, two hundred forty-one".