28373103908 has 12 divisors (see below), whose sum is σ = 49795206300. Its totient is φ = 14145902112.

The previous prime is 28373103901. The next prime is 28373103923. The reversal of 28373103908 is 80930137382.

It can be written as a sum of positive squares in 2 ways, for example, as 11043487744 + 17329616164 = 105088^2 + 131642^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28373103901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10160891 + ... + 10163682.

It is an arithmetic number, because the mean of its divisors is an integer number (4149600525).

Almost surely, 2^28373103908 is an apocalyptic number.

It is an amenable number.

28373103908 is a deficient number, since it is larger than the sum of its proper divisors (21422102392).

28373103908 is a wasteful number, since it uses less digits than its factorization.

28373103908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20324926 (or 20324924 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 28373103908 in words is "twenty-eight billion, three hundred seventy-three million, one hundred three thousand, nine hundred eight".