28020024874501 has 8 divisors (see below), whose sum is σ = 31085389692000. Its totient is φ = 25041008361840.

The previous prime is 28020024874459. The next prime is 28020024874511. The reversal of 28020024874501 is 10547842002082.

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

It is a cyclic number.

It is not a de Polignac number, because 28020024874501 - 2¹¹ = 28020024872453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28020024874511) 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, 21587075526 + ... + 21587076823.

It is an arithmetic number, because the mean of its divisors is an integer number (3885673711500).

Almost surely, 2^{28020024874501} is an apocalyptic number.

It is an amenable number.

28020024874501 is a deficient number, since it is larger than the sum of its proper divisors (3065364817499).

28020024874501 is a wasteful number, since it uses less digits than its factorization.

28020024874501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43174152419.

The product of its (nonzero) digits is 286720, while the sum is 43.

Adding to 28020024874501 its reverse (10547842002082), we get a palindrome (38567866876583).

The spelling of 28020024874501 in words is "twenty-eight trillion, twenty billion, twenty-four million, eight hundred seventy-four thousand, five hundred one".