28747805443203 has 64 divisors (see below), whose sum is σ = 48178163404800. Its totient is φ = 14812291228800.

The previous prime is 28747805443183. The next prime is 28747805443223. The reversal of 28747805443203 is 30234450874782.

It is a Cunningham number, because it is equal to 5361698²-1.

It is an interprime number because it is at equal distance from previous prime (28747805443183) and next prime (28747805443223).

It is not a de Polignac number, because 28747805443203 - 2²¹ = 28747803346051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28747805443223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58734976 + ... + 59222402.

It is an arithmetic number, because the mean of its divisors is an integer number (752783803200).

Almost surely, 2^{28747805443203} is an apocalyptic number.

28747805443203 is a deficient number, since it is larger than the sum of its proper divisors (19430357961597).

28747805443203 is a wasteful number, since it uses less digits than its factorization.

28747805443203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489528.

The product of its (nonzero) digits is 36126720, while the sum is 57.

The spelling of 28747805443203 in words is "twenty-eight trillion, seven hundred forty-seven billion, eight hundred five million, four hundred forty-three thousand, two hundred three".