28895448627 has 32 divisors (see below), whose sum is σ = 44096020800. Its totient is φ = 18687158784.

The previous prime is 28895448583. The next prime is 28895448661. The reversal of 28895448627 is 72684459882.

28895448627 is a `hidden beast` number, since 2 + 8 + 8 + 9 + 544 + 86 + 2 + 7 = 666.

It is not a de Polignac number, because 28895448627 - 2⁸ = 28895448371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28895446627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293749 + ... + 379577.

It is an arithmetic number, because the mean of its divisors is an integer number (1378000650).

Almost surely, 2^28895448627 is an apocalyptic number.

28895448627 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28895448627 is a deficient number, since it is larger than the sum of its proper divisors (15200572173).

28895448627 is a wasteful number, since it uses less digits than its factorization.

28895448627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86212 (or 86206 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 28895448627 in words is "twenty-eight billion, eight hundred ninety-five million, four hundred forty-eight thousand, six hundred twenty-seven".