28755504163 has 8 divisors (see below), whose sum is σ = 28912242240. Its totient is φ = 28599070080.

The previous prime is 28755504157. The next prime is 28755504223. The reversal of 28755504163 is 36140555782.

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 28755504163 - 2²⁵ = 28721949731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28755507163) 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, 115003 + ... + 265963.

It is an arithmetic number, because the mean of its divisors is an integer number (3614030280).

Almost surely, 2^28755504163 is an apocalyptic number.

28755504163 is a deficient number, since it is larger than the sum of its proper divisors (156738077).

28755504163 is a wasteful number, since it uses less digits than its factorization.

28755504163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151997.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 28755504163 in words is "twenty-eight billion, seven hundred fifty-five million, five hundred four thousand, one hundred sixty-three".