28270034736047 has 8 divisors (see below), whose sum is σ = 30445278916416. Its totient is φ = 26094880001952.

The previous prime is 28270034736023. The next prime is 28270034736061. The reversal of 28270034736047 is 74063743007282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28270034736047 is a prime.

It is a super-2 number, since 2×28270034736047² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28270034736047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28270034736017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21704423 + ... + 22970024.

It is an arithmetic number, because the mean of its divisors is an integer number (3805659864552).

Almost surely, 2^{28270034736047} is an apocalyptic number.

28270034736047 is a deficient number, since it is larger than the sum of its proper divisors (2175244180369).

28270034736047 is a wasteful number, since it uses less digits than its factorization.

28270034736047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44723137.

The product of its (nonzero) digits is 9483264, while the sum is 53.

The spelling of 28270034736047 in words is "twenty-eight trillion, two hundred seventy billion, thirty-four million, seven hundred thirty-six thousand, forty-seven".