28375442606 has 16 divisors (see below), whose sum is σ = 49830046560. Its totient is φ = 11864296320.

The previous prime is 28375442569. The next prime is 28375442609. The reversal of 28375442606 is 60624457382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28375442609) 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, 24716711 + ... + 24717858.

It is an arithmetic number, because the mean of its divisors is an integer number (3114377910).

Almost surely, 2^28375442606 is an apocalyptic number.

28375442606 is a deficient number, since it is larger than the sum of its proper divisors (21454603954).

28375442606 is a wasteful number, since it uses less digits than its factorization.

28375442606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49434619.

The product of its (nonzero) digits is 1935360, while the sum is 47.

Adding to 28375442606 its reverse (60624457382), we get a palindrome (88999899988).

The spelling of 28375442606 in words is "twenty-eight billion, three hundred seventy-five million, four hundred forty-two thousand, six hundred six".