28622458427 has 8 divisors (see below), whose sum is σ = 28924896000. Its totient is φ = 28320171264.

The previous prime is 28622458421. The next prime is 28622458429. The reversal of 28622458427 is 72485422682.

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 28622458427 - 2¹² = 28622454331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28622458421) 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, 367949 + ... + 438897.

It is an arithmetic number, because the mean of its divisors is an integer number (3615612000).

Almost surely, 2^28622458427 is an apocalyptic number.

28622458427 is a deficient number, since it is larger than the sum of its proper divisors (302437573).

28622458427 is an equidigital number, since it uses as much as digits as its factorization.

28622458427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75205.

The product of its digits is 3440640, while the sum is 50.

The spelling of 28622458427 in words is "twenty-eight billion, six hundred twenty-two million, four hundred fifty-eight thousand, four hundred twenty-seven".