28547526085 has 8 divisors (see below), whose sum is σ = 36892187640. Its totient is φ = 21081249984.

The previous prime is 28547526061. The next prime is 28547526107. The reversal of 28547526085 is 58062574582.

It can be written as a sum of positive squares in 4 ways, for example, as 4515705601 + 24031820484 = 67199^2 + 155022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28547526085 - 2¹³ = 28547517893 is a prime.

It is a super-2 number, since 2×28547526085² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 219596290 + ... + 219596419.

It is an arithmetic number, because the mean of its divisors is an integer number (4611523455).

Almost surely, 2^28547526085 is an apocalyptic number.

It is an amenable number.

28547526085 is a deficient number, since it is larger than the sum of its proper divisors (8344661555).

28547526085 is a wasteful number, since it uses less digits than its factorization.

28547526085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439192727.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 28547526085 in words is "twenty-eight billion, five hundred forty-seven million, five hundred twenty-six thousand, eighty-five".