28564962155 has 16 divisors (see below), whose sum is σ = 35511994080. Its totient is φ = 22031589888.

The previous prime is 28564962149. The next prime is 28564962169. The reversal of 28564962155 is 55126946582.

It is a cyclic number.

It is not a de Polignac number, because 28564962155 - 2⁶ = 28564962091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28564962097 and 28564962106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45182 + ... + 243251.

It is an arithmetic number, because the mean of its divisors is an integer number (2219499630).

Almost surely, 2^28564962155 is an apocalyptic number.

28564962155 is a deficient number, since it is larger than the sum of its proper divisors (6947031925).

28564962155 is a wasteful number, since it uses less digits than its factorization.

28564962155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289150.

The product of its digits is 5184000, while the sum is 53.

The spelling of 28564962155 in words is "twenty-eight billion, five hundred sixty-four million, nine hundred sixty-two thousand, one hundred fifty-five".