27792984079 has 8 divisors (see below), whose sum is σ = 31786555680. Its totient is φ = 23805198816.

The previous prime is 27792984077. The next prime is 27792984119. The reversal of 27792984079 is 97048929772.

It is a happy number.

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

It is not a de Polignac number, because 27792984079 - 2¹ = 27792984077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27792984079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27792984077) 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, 1436284 + ... + 1455505.

It is an arithmetic number, because the mean of its divisors is an integer number (3973319460).

Almost surely, 2^27792984079 is an apocalyptic number.

27792984079 is a deficient number, since it is larger than the sum of its proper divisors (3993571601).

27792984079 is a wasteful number, since it uses less digits than its factorization.

27792984079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893169.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The spelling of 27792984079 in words is "twenty-seven billion, seven hundred ninety-two million, nine hundred eighty-four thousand, seventy-nine".