28185793706 has 8 divisors (see below), whose sum is σ = 48318503520. Its totient is φ = 12079625868.

The previous prime is 28185793697. The next prime is 28185793723. The reversal of 28185793706 is 60739758182.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006635476 + ... + 1006635503.

It is an arithmetic number, because the mean of its divisors is an integer number (6039812940).

Almost surely, 2^28185793706 is an apocalyptic number.

28185793706 is a deficient number, since it is larger than the sum of its proper divisors (20132709814).

28185793706 is a wasteful number, since it uses less digits than its factorization.

28185793706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013270988.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 28185793706 in words is "twenty-eight billion, one hundred eighty-five million, seven hundred ninety-three thousand, seven hundred six".