28248314240047 has 32 divisors (see below), whose sum is σ = 30974313427200. Its totient is φ = 25549074566400.

The previous prime is 28248314239997. The next prime is 28248314240059. The reversal of 28248314240047 is 74004241384282.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28248314240047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28248314240087) 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 31 ways as a sum of consecutive naturals, for example, 2807699397 + ... + 2807709457.

It is an arithmetic number, because the mean of its divisors is an integer number (967947294600).

Almost surely, 2^{28248314240047} is an apocalyptic number.

28248314240047 is a deficient number, since it is larger than the sum of its proper divisors (2725999187153).

28248314240047 is a wasteful number, since it uses less digits than its factorization.

28248314240047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its (nonzero) digits is 2752512, while the sum is 49.

The spelling of 28248314240047 in words is "twenty-eight trillion, two hundred forty-eight billion, three hundred fourteen million, two hundred forty thousand, forty-seven".