28522673957 has 16 divisors (see below), whose sum is σ = 30480468480. Its totient is φ = 26625751152.

The previous prime is 28522673939. The next prime is 28522673969. The reversal of 28522673957 is 75937622582.

It is a cyclic number.

It is not a de Polignac number, because 28522673957 - 2¹⁶ = 28522608421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28522673057) 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 15 ways as a sum of consecutive naturals, for example, 1233698 + ... + 1256604.

It is an arithmetic number, because the mean of its divisors is an integer number (1905029280).

Almost surely, 2^28522673957 is an apocalyptic number.

It is an amenable number.

28522673957 is a deficient number, since it is larger than the sum of its proper divisors (1957794523).

28522673957 is a wasteful number, since it uses less digits than its factorization.

28522673957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24232.

The product of its digits is 12700800, while the sum is 56.

The spelling of 28522673957 in words is "twenty-eight billion, five hundred twenty-two million, six hundred seventy-three thousand, nine hundred fifty-seven".