28541281527 has 16 divisors (see below), whose sum is σ = 46127324160. Its totient is φ = 17297746200.

The previous prime is 28541281501. The next prime is 28541281541. The reversal of 28541281527 is 72518214582.

28541281527 is a `hidden beast` number, since 2 + 8 + 5 + 41 + 2 + 81 + 527 = 666.

It is not a de Polignac number, because 28541281527 - 2⁸ = 28541281271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28541281577) 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 15 ways as a sum of consecutive naturals, for example, 48048999 + ... + 48049592.

It is an arithmetic number, because the mean of its divisors is an integer number (2882957760).

Almost surely, 2^28541281527 is an apocalyptic number.

28541281527 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28541281527 is a deficient number, since it is larger than the sum of its proper divisors (17586042633).

28541281527 is a wasteful number, since it uses less digits than its factorization.

28541281527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96098611 (or 96098605 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The spelling of 28541281527 in words is "twenty-eight billion, five hundred forty-one million, two hundred eighty-one thousand, five hundred twenty-seven".