28112677641 has 32 divisors (see below), whose sum is σ = 42409203200. Its totient is φ = 18402059520.

The previous prime is 28112677627. The next prime is 28112677651. The reversal of 28112677641 is 14677621182.

28112677641 is a `hidden beast` number, since 281 + 1 + 267 + 76 + 41 = 666.

It is not a de Polignac number, because 28112677641 - 2¹⁴ = 28112661257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28112677651) 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 31 ways as a sum of consecutive naturals, for example, 349665 + ... + 422481.

It is an arithmetic number, because the mean of its divisors is an integer number (1325287600).

Almost surely, 2^28112677641 is an apocalyptic number.

It is an amenable number.

28112677641 is a deficient number, since it is larger than the sum of its proper divisors (14296525559).

28112677641 is a wasteful number, since it uses less digits than its factorization.

28112677641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73086 (or 73080 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 28112677641 in words is "twenty-eight billion, one hundred twelve million, six hundred seventy-seven thousand, six hundred forty-one".