28547002847 has 8 divisors (see below), whose sum is σ = 31143813120. Its totient is φ = 25950463960.

The previous prime is 28547002817. The next prime is 28547002853. The reversal of 28547002847 is 74820074582.

It is a happy number.

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 28547002847 - 2¹⁶ = 28546937311 is a prime.

It is a super-2 number, since 2×28547002847² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547002807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197108 + ... + 309750.

It is an arithmetic number, because the mean of its divisors is an integer number (3892976640).

Almost surely, 2^28547002847 is an apocalyptic number.

28547002847 is a deficient number, since it is larger than the sum of its proper divisors (2596810273).

28547002847 is a wasteful number, since it uses less digits than its factorization.

28547002847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135693.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The spelling of 28547002847 in words is "twenty-eight billion, five hundred forty-seven million, two thousand, eight hundred forty-seven".