27375910978307 has 4 divisors (see below), whose sum is σ = 27415528795176. Its totient is φ = 27336293161440.

The previous prime is 27375910978303. The next prime is 27375910978321. The reversal of 27375910978307 is 70387901957372.

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

It is a cyclic number.

It is not a de Polignac number, because 27375910978307 - 2² = 27375910978303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27375910978303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19808907398 + ... + 19808908779.

It is an arithmetic number, because the mean of its divisors is an integer number (6853882198794).

Almost surely, 2^{27375910978307} is an apocalyptic number.

27375910978307 is a deficient number, since it is larger than the sum of its proper divisors (39617816869).

27375910978307 is an equidigital number, since it uses as much as digits as its factorization.

27375910978307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39617816868.

The product of its (nonzero) digits is 140026320, while the sum is 68.

The spelling of 27375910978307 in words is "twenty-seven trillion, three hundred seventy-five billion, nine hundred ten million, nine hundred seventy-eight thousand, three hundred seven".