28636885581179 has 8 divisors (see below), whose sum is σ = 28859730242112. Its totient is φ = 28414105200520.

The previous prime is 28636885581173. The next prime is 28636885581191. The reversal of 28636885581179 is 97118558863682.

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 28636885581179 - 2⁸ = 28636885580923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28636885581173) 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, 15175409 + ... + 16957794.

It is an arithmetic number, because the mean of its divisors is an integer number (3607466280264).

Almost surely, 2^{28636885581179} is an apocalyptic number.

28636885581179 is a deficient number, since it is larger than the sum of its proper divisors (222844660933).

28636885581179 is a wasteful number, since it uses less digits than its factorization.

28636885581179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32140137.

The product of its digits is 1393459200, while the sum is 77.

The spelling of 28636885581179 in words is "twenty-eight trillion, six hundred thirty-six billion, eight hundred eighty-five million, five hundred eighty-one thousand, one hundred seventy-nine".