28488685611 has 8 divisors (see below), whose sum is σ = 37987145280. Its totient is φ = 18991341512.

The previous prime is 28488685607. The next prime is 28488685619. The reversal of 28488685611 is 11658688482.

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 28488685611 - 2² = 28488685607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28488685619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217365 + ... + 322838.

It is an arithmetic number, because the mean of its divisors is an integer number (4748393160).

Almost surely, 2^28488685611 is an apocalyptic number.

28488685611 is a deficient number, since it is larger than the sum of its proper divisors (9498459669).

28488685611 is a wasteful number, since it uses less digits than its factorization.

28488685611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557785.

The product of its digits is 5898240, while the sum is 57.

The spelling of 28488685611 in words is "twenty-eight billion, four hundred eighty-eight million, six hundred eighty-five thousand, six hundred eleven".