27748164367 has 16 divisors (see below), whose sum is σ = 36099251712. Its totient is φ = 20681860320.

The previous prime is 27748164313. The next prime is 27748164461. The reversal of 27748164367 is 76346184772.

It is a happy number.

It is not a de Polignac number, because 27748164367 - 2⁷ = 27748164239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27748164307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7832268 + ... + 7835809.

It is an arithmetic number, because the mean of its divisors is an integer number (2256203232).

Almost surely, 2^27748164367 is an apocalyptic number.

27748164367 is a deficient number, since it is larger than the sum of its proper divisors (8351087345).

27748164367 is a wasteful number, since it uses less digits than its factorization.

27748164367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15668118.

The product of its digits is 9483264, while the sum is 55.

The spelling of 27748164367 in words is "twenty-seven billion, seven hundred forty-eight million, one hundred sixty-four thousand, three hundred sixty-seven".