28500780353 has 8 divisors (see below), whose sum is σ = 28675088640. Its totient is φ = 28326931360.

The previous prime is 28500780337. The next prime is 28500780439. The reversal of 28500780353 is 35308700582.

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 28500780353 - 2⁴ = 28500780337 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 28500780353.

It is not an unprimeable number, because it can be changed into a prime (28500780053) 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, 10076 + ... + 238962.

It is an arithmetic number, because the mean of its divisors is an integer number (3584386080).

Almost surely, 2^28500780353 is an apocalyptic number.

It is an amenable number.

28500780353 is a deficient number, since it is larger than the sum of its proper divisors (174308287).

28500780353 is a wasteful number, since it uses less digits than its factorization.

28500780353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229647.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 28500780353 in words is "twenty-eight billion, five hundred million, seven hundred eighty thousand, three hundred fifty-three".