28061125378 has 160 divisors (see below), whose sum is σ = 54856165248. Its totient is φ = 10629964800.

The previous prime is 28061125363. The next prime is 28061125381. The reversal of 28061125378 is 87352116082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 395227083 + ... + 395227153.

Almost surely, 2^28061125378 is an apocalyptic number.

28061125378 is a deficient number, since it is larger than the sum of its proper divisors (26795039870).

28061125378 is a wasteful number, since it uses less digits than its factorization.

28061125378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 28061125378 in words is "twenty-eight billion, sixty-one million, one hundred twenty-five thousand, three hundred seventy-eight".