28300042751 has 4 divisors (see below), whose sum is σ = 28302731472. Its totient is φ = 28297354032.

The previous prime is 28300042741. The next prime is 28300042759. The reversal of 28300042751 is 15724000382.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28300042751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300042759) 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, 1328510 + ... + 1349643.

It is an arithmetic number, because the mean of its divisors is an integer number (7075682868).

Almost surely, 2^28300042751 is an apocalyptic number.

28300042751 is a deficient number, since it is larger than the sum of its proper divisors (2688721).

28300042751 is a wasteful number, since it uses less digits than its factorization.

28300042751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688720.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 28300042751 in words is "twenty-eight billion, three hundred million, forty-two thousand, seven hundred fifty-one".