28078732606 has 8 divisors (see below), whose sum is σ = 42298863984. Its totient is φ = 13979111280.

The previous prime is 28078732579. The next prime is 28078732613. The reversal of 28078732606 is 60623787082.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28078732606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30126930 + ... + 30127861.

It is an arithmetic number, because the mean of its divisors is an integer number (5287357998).

Almost surely, 2^28078732606 is an apocalyptic number.

28078732606 is a deficient number, since it is larger than the sum of its proper divisors (14220131378).

28078732606 is a wasteful number, since it uses less digits than its factorization.

28078732606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60255026.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 28078732606 in words is "twenty-eight billion, seventy-eight million, seven hundred thirty-two thousand, six hundred six".