28278277053 has 8 divisors (see below), whose sum is σ = 40604705568. Its totient is φ = 17402016624.

The previous prime is 28278277033. The next prime is 28278277057. The reversal of 28278277053 is 35077287282.

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

It is not a de Polignac number, because 28278277053 - 2¹⁰ = 28278276029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28278276987 and 28278277005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28278277057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362541975 + ... + 362542052.

It is an arithmetic number, because the mean of its divisors is an integer number (5075588196).

Almost surely, 2^28278277053 is an apocalyptic number.

It is an amenable number.

28278277053 is a deficient number, since it is larger than the sum of its proper divisors (12326428515).

28278277053 is a wasteful number, since it uses less digits than its factorization.

28278277053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725084043.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 28278277053 in words is "twenty-eight billion, two hundred seventy-eight million, two hundred seventy-seven thousand, fifty-three".