28526275317 has 8 divisors (see below), whose sum is σ = 38037003840. Its totient is φ = 19016531840.

The previous prime is 28526275279. The next prime is 28526275321. The reversal of 28526275317 is 71357262582.

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 28526275317 - 2⁸ = 28526275061 is a prime.

It is a super-2 number, since 2×28526275317² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28526275117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175809 + ... + 296582.

It is an arithmetic number, because the mean of its divisors is an integer number (4754625480).

Almost surely, 2^28526275317 is an apocalyptic number.

It is an amenable number.

28526275317 is a deficient number, since it is larger than the sum of its proper divisors (9510728523).

28526275317 is a wasteful number, since it uses less digits than its factorization.

28526275317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492523.

The product of its digits is 1411200, while the sum is 48.

The spelling of 28526275317 in words is "twenty-eight billion, five hundred twenty-six million, two hundred seventy-five thousand, three hundred seventeen".