27137690379 has 12 divisors (see below), whose sum is σ = 39202659600. Its totient is φ = 18090051984.

The previous prime is 27137690287. The next prime is 27137690387. The reversal of 27137690379 is 97309673172.

It is a happy number.

It is not a de Polignac number, because 27137690379 - 2⁸ = 27137690123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27137690779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42639 + ... + 236840.

It is an arithmetic number, because the mean of its divisors is an integer number (3266888300).

Almost surely, 2^27137690379 is an apocalyptic number.

27137690379 is a deficient number, since it is larger than the sum of its proper divisors (12064969221).

27137690379 is a wasteful number, since it uses less digits than its factorization.

27137690379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290274 (or 290271 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The spelling of 27137690379 in words is "twenty-seven billion, one hundred thirty-seven million, six hundred ninety thousand, three hundred seventy-nine".