28252468527 has 8 divisors (see below), whose sum is σ = 37686058800. Its totient is φ = 18826928640.

The previous prime is 28252468523. The next prime is 28252468529. The reversal of 28252468527 is 72586425282.

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

It is not a de Polignac number, because 28252468527 - 2² = 28252468523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28252468527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28252468523) 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, 2004402 + ... + 2018447.

It is an arithmetic number, because the mean of its divisors is an integer number (4710757350).

Almost surely, 2^28252468527 is an apocalyptic number.

28252468527 is a deficient number, since it is larger than the sum of its proper divisors (9433590273).

28252468527 is a wasteful number, since it uses less digits than its factorization.

28252468527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025193.

The product of its digits is 4300800, while the sum is 51.

The spelling of 28252468527 in words is "twenty-eight billion, two hundred fifty-two million, four hundred sixty-eight thousand, five hundred twenty-seven".