28747203554 has 8 divisors (see below), whose sum is σ = 43168350288. Its totient is φ = 14357753460.

The previous prime is 28747203553. The next prime is 28747203571. The reversal of 28747203554 is 45530274782.

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

It is a super-2 number, since 2×28747203554² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28747203499 and 28747203508.

It is not an unprimeable number, because it can be changed into a prime (28747203553) 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 3 ways as a sum of consecutive naturals, for example, 7921892 + ... + 7925519.

It is an arithmetic number, because the mean of its divisors is an integer number (5396043786).

Almost surely, 2^28747203554 is an apocalyptic number.

28747203554 is a deficient number, since it is larger than the sum of its proper divisors (14421146734).

28747203554 is a wasteful number, since it uses less digits than its factorization.

28747203554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15848320.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 28747203554 in words is "twenty-eight billion, seven hundred forty-seven million, two hundred three thousand, five hundred fifty-four".