27804478723 has 8 divisors (see below), whose sum is σ = 33448997120. Its totient is φ = 22578072840.

The previous prime is 27804478711. The next prime is 27804478727. The reversal of 27804478723 is 32787440872.

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 27804478723 - 2²¹ = 27802381571 is a prime.

It is a super-3 number, since 3×27804478723³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27804478727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104527983 + ... + 104528248.

It is an arithmetic number, because the mean of its divisors is an integer number (4181124640).

Almost surely, 2^27804478723 is an apocalyptic number.

27804478723 is a deficient number, since it is larger than the sum of its proper divisors (5644518397).

27804478723 is a wasteful number, since it uses less digits than its factorization.

27804478723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209056257.

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 27804478723 in words is "twenty-seven billion, eight hundred four million, four hundred seventy-eight thousand, seven hundred twenty-three".