27136924779 has 8 divisors (see below), whose sum is σ = 36323355600. Its totient is φ = 18020888576.

The previous prime is 27136924757. The next prime is 27136924811. The reversal of 27136924779 is 97742963172.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27136924779 - 2⁸ = 27136924523 is a prime.

It is a super-2 number, since 2×27136924779² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27136924579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17597754 + ... + 17599295.

It is an arithmetic number, because the mean of its divisors is an integer number (4540419450).

Almost surely, 2^27136924779 is an apocalyptic number.

27136924779 is a deficient number, since it is larger than the sum of its proper divisors (9186430821).

27136924779 is a wasteful number, since it uses less digits than its factorization.

27136924779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35197309.

The product of its digits is 8001504, while the sum is 57.

The spelling of 27136924779 in words is "twenty-seven billion, one hundred thirty-six million, nine hundred twenty-four thousand, seven hundred seventy-nine".