28375657383 has 8 divisors (see below), whose sum is σ = 38856756208. Its totient is φ = 18405831744.

The previous prime is 28375657363. The next prime is 28375657399. The reversal of 28375657383 is 38375657382.

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

It is not a de Polignac number, because 28375657383 - 2¹⁴ = 28375640999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28375657363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127818166 + ... + 127818387.

It is an arithmetic number, because the mean of its divisors is an integer number (4857094526).

Almost surely, 2^28375657383 is an apocalyptic number.

28375657383 is a deficient number, since it is larger than the sum of its proper divisors (10481098825).

28375657383 is a wasteful number, since it uses less digits than its factorization.

28375657383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255636593.

The product of its digits is 25401600, while the sum is 57.

Subtracting 28375657383 from its reverse (38375657382), we obtain a palindrome (9999999999).

The spelling of 28375657383 in words is "twenty-eight billion, three hundred seventy-five million, six hundred fifty-seven thousand, three hundred eighty-three".