28742102173603 has 96 divisors (see below), whose sum is σ = 37418785367040. Its totient is φ = 21867293952000.

The previous prime is 28742102173601. The next prime is 28742102173607. The reversal of 28742102173603 is 30637120124782.

It is not a de Polignac number, because 28742102173603 - 2¹ = 28742102173601 is a prime.

It is a super-2 number, since 2×28742102173603² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28742102173601) 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 95 ways as a sum of consecutive naturals, for example, 543703393 + ... + 543756253.

It is an arithmetic number, because the mean of its divisors is an integer number (389779014240).

Almost surely, 2^{28742102173603} is an apocalyptic number.

28742102173603 is a deficient number, since it is larger than the sum of its proper divisors (8676683193437).

28742102173603 is a wasteful number, since it uses less digits than its factorization.

28742102173603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53229 (or 53222 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 28742102173603 in words is "twenty-eight trillion, seven hundred forty-two billion, one hundred two million, one hundred seventy-three thousand, six hundred three".