28422875357 has 4 divisors (see below), whose sum is σ = 29339742336. Its totient is φ = 27506008380.

The previous prime is 28422875309. The next prime is 28422875359. The reversal of 28422875357 is 75357822482.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28422875357 - 2⁶ = 28422875293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28422875299 and 28422875308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28422875359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458433443 + ... + 458433504.

It is an arithmetic number, because the mean of its divisors is an integer number (7334935584).

Almost surely, 2^28422875357 is an apocalyptic number.

It is an amenable number.

28422875357 is a deficient number, since it is larger than the sum of its proper divisors (916866979).

28422875357 is an equidigital number, since it uses as much as digits as its factorization.

28422875357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916866978.

The product of its digits is 7526400, while the sum is 53.

The spelling of 28422875357 in words is "twenty-eight billion, four hundred twenty-two million, eight hundred seventy-five thousand, three hundred fifty-seven".