27096129857 has 4 divisors (see below), whose sum is σ = 27097802160. Its totient is φ = 27094457556.

The previous prime is 27096129839. The next prime is 27096129877. The reversal of 27096129857 is 75892169072.

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 27096129857 - 2⁸ = 27096129601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27096129877) 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, 811607 + ... + 844332.

It is an arithmetic number, because the mean of its divisors is an integer number (6774450540).

Almost surely, 2^27096129857 is an apocalyptic number.

It is an amenable number.

27096129857 is a deficient number, since it is larger than the sum of its proper divisors (1672303).

27096129857 is a wasteful number, since it uses less digits than its factorization.

27096129857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672302.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 27096129857 in words is "twenty-seven billion, ninety-six million, one hundred twenty-nine thousand, eight hundred fifty-seven".