28604578220006 has 4 divisors (see below), whose sum is σ = 42906867330012. Its totient is φ = 14302289110002.

The previous prime is 28604578219963. The next prime is 28604578220021. The reversal of 28604578220006 is 60002287540682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151144555000 + ... + 7151144555003.

It is an arithmetic number, because the mean of its divisors is an integer number (10726716832503).

Almost surely, 2^{28604578220006} is an apocalyptic number.

28604578220006 is a deficient number, since it is larger than the sum of its proper divisors (14302289110006).

28604578220006 is a wasteful number, since it uses less digits than its factorization.

28604578220006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302289110005.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 28604578220006 in words is "twenty-eight trillion, six hundred four billion, five hundred seventy-eight million, two hundred twenty thousand, six".