28547307843 has 8 divisors (see below), whose sum is σ = 38151392256. Its totient is φ = 18987381000.

The previous prime is 28547307839. The next prime is 28547307947. The reversal of 28547307843 is 34870374582.

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

It is not a de Polignac number, because 28547307843 - 2² = 28547307839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28547307823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11037883 + ... + 11040468.

It is an arithmetic number, because the mean of its divisors is an integer number (4768924032).

Almost surely, 2^28547307843 is an apocalyptic number.

28547307843 is a deficient number, since it is larger than the sum of its proper divisors (9604084413).

28547307843 is a wasteful number, since it uses less digits than its factorization.

28547307843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22078785.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 28547307843 in words is "twenty-eight billion, five hundred forty-seven million, three hundred seven thousand, eight hundred forty-three".