28056107806 has 8 divisors (see below), whose sum is σ = 42085953000. Its totient is φ = 14027456808.

The previous prime is 28056107803. The next prime is 28056107837. The reversal of 28056107806 is 60870165082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056107801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237301 + ... + 335296.

It is an arithmetic number, because the mean of its divisors is an integer number (5260744125).

Almost surely, 2^28056107806 is an apocalyptic number.

28056107806 is a deficient number, since it is larger than the sum of its proper divisors (14029845194).

28056107806 is a wasteful number, since it uses less digits than its factorization.

28056107806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597098.

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

The spelling of 28056107806 in words is "twenty-eight billion, fifty-six million, one hundred seven thousand, eight hundred six".