27707617343 has 4 divisors (see below), whose sum is σ = 31665848400. Its totient is φ = 23749386288.

The previous prime is 27707617337. The next prime is 27707617423. The reversal of 27707617343 is 34371670772.

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

It is a cyclic number.

It is not a de Polignac number, because 27707617343 - 2⁸ = 27707617087 is a prime.

It is a super-2 number, since 2×27707617343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27707617043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979115518 + ... + 1979115531.

It is an arithmetic number, because the mean of its divisors is an integer number (7916462100).

Almost surely, 2^27707617343 is an apocalyptic number.

27707617343 is a deficient number, since it is larger than the sum of its proper divisors (3958231057).

27707617343 is an equidigital number, since it uses as much as digits as its factorization.

27707617343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958231056.

The product of its (nonzero) digits is 1037232, while the sum is 47.

The spelling of 27707617343 in words is "twenty-seven billion, seven hundred seven million, six hundred seventeen thousand, three hundred forty-three".