28455622273 has 16 divisors (see below), whose sum is σ = 30895950400. Its totient is φ = 26051595840.

The previous prime is 28455622267. The next prime is 28455622369. The reversal of 28455622273 is 37222655482.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28455622273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28455622373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924318 + ... + 1939048.

It is an arithmetic number, because the mean of its divisors is an integer number (1930996900).

Almost surely, 2^28455622273 is an apocalyptic number.

It is an amenable number.

28455622273 is a deficient number, since it is larger than the sum of its proper divisors (2440328127).

28455622273 is a wasteful number, since it uses less digits than its factorization.

28455622273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952.

The product of its digits is 1612800, while the sum is 46.

The spelling of 28455622273 in words is "twenty-eight billion, four hundred fifty-five million, six hundred twenty-two thousand, two hundred seventy-three".