27754877117 has 8 divisors (see below), whose sum is σ = 30299707200. Its totient is φ = 25213656960.

The previous prime is 27754877089. The next prime is 27754877159. The reversal of 27754877117 is 71177845772.

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 27754877117 - 2²⁴ = 27738099901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27754877197) 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, 886388 + ... + 917165.

It is an arithmetic number, because the mean of its divisors is an integer number (3787463400).

Almost surely, 2^27754877117 is an apocalyptic number.

It is an amenable number.

27754877117 is a deficient number, since it is larger than the sum of its proper divisors (2544830083).

27754877117 is a wasteful number, since it uses less digits than its factorization.

27754877117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804963.

The product of its digits is 5378240, while the sum is 56.

The spelling of 27754877117 in words is "twenty-seven billion, seven hundred fifty-four million, eight hundred seventy-seven thousand, one hundred seventeen".