27116938507 has 4 divisors (see below), whose sum is σ = 27185243536. Its totient is φ = 27048633480.

The previous prime is 27116938501. The next prime is 27116938531. The reversal of 27116938507 is 70583961172.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27116938507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27116938501) 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, 34151919 + ... + 34152712.

It is an arithmetic number, because the mean of its divisors is an integer number (6796310884).

Almost surely, 2^27116938507 is an apocalyptic number.

27116938507 is a deficient number, since it is larger than the sum of its proper divisors (68305029).

27116938507 is an equidigital number, since it uses as much as digits as its factorization.

27116938507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68305028.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 27116938507 in words is "twenty-seven billion, one hundred sixteen million, nine hundred thirty-eight thousand, five hundred seven".