27007938137 has 4 divisors (see below), whose sum is σ = 27012746880. Its totient is φ = 27003129396.

The previous prime is 27007938019. The next prime is 27007938143. The reversal of 27007938137 is 73183970072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27007938137 - 2²⁴ = 26991160921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27007938091 and 27007938100.

It is not an unprimeable number, because it can be changed into a prime (27007938337) 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, 2395937 + ... + 2407182.

It is an arithmetic number, because the mean of its divisors is an integer number (6753186720).

Almost surely, 2^27007938137 is an apocalyptic number.

It is an amenable number.

27007938137 is a deficient number, since it is larger than the sum of its proper divisors (4808743).

27007938137 is an equidigital number, since it uses as much as digits as its factorization.

27007938137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808742.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 27007938137 in words is "twenty-seven billion, seven million, nine hundred thirty-eight thousand, one hundred thirty-seven".