28110920063 has 8 divisors (see below), whose sum is σ = 29075429376. Its totient is φ = 27150017400.

The previous prime is 28110920023. The next prime is 28110920099. The reversal of 28110920063 is 36002901182.

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-28110920063 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 (28110920023) 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, 885803 + ... + 916988.

It is an arithmetic number, because the mean of its divisors is an integer number (3634428672).

Almost surely, 2^28110920063 is an apocalyptic number.

28110920063 is a deficient number, since it is larger than the sum of its proper divisors (964509313).

28110920063 is a wasteful number, since it uses less digits than its factorization.

28110920063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803325.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 28110920063 in words is "twenty-eight billion, one hundred ten million, nine hundred twenty thousand, sixty-three".