28006372159 has 8 divisors (see below), whose sum is σ = 28977701760. Its totient is φ = 27035415456.

The previous prime is 28006372157. The next prime is 28006372181. The reversal of 28006372159 is 95127360082.

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

It is a cyclic number.

It is not a de Polignac number, because 28006372159 - 2¹ = 28006372157 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 (28006372157) 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, 64114 + ... + 245200.

It is an arithmetic number, because the mean of its divisors is an integer number (3622212720).

Almost surely, 2^28006372159 is an apocalyptic number.

28006372159 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28006372159 is a deficient number, since it is larger than the sum of its proper divisors (971329601).

28006372159 is a wasteful number, since it uses less digits than its factorization.

28006372159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186449.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 28006372159 in words is "twenty-eight billion, six million, three hundred seventy-two thousand, one hundred fifty-nine".