28748580863999 has 8 divisors (see below), whose sum is σ = 28807459302000. Its totient is φ = 28689707491200.

The previous prime is 28748580863969. The next prime is 28748580864001. The reversal of 28748580863999 is 99936808584782.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28748580863999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28748580863999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28748580863939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10202969 + ... + 12712109.

It is an arithmetic number, because the mean of its divisors is an integer number (3600932412750).

Almost surely, 2^{28748580863999} is an apocalyptic number.

28748580863999 is a deficient number, since it is larger than the sum of its proper divisors (58878438001).

28748580863999 is a wasteful number, since it uses less digits than its factorization.

28748580863999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532601.

The product of its (nonzero) digits is 15049359360, while the sum is 86.

The spelling of 28748580863999 in words is "twenty-eight trillion, seven hundred forty-eight billion, five hundred eighty million, eight hundred sixty-three thousand, nine hundred ninety-nine".