117728627 has 2 divisors, whose sum is σ = 117728628. Its totient is φ = 117728626.

The previous prime is 117728623. The next prime is 117728629. The reversal of 117728627 is 726827711.

It is a strong prime.

It is an emirp because it is prime and its reverse (726827711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117728627 - 2² = 117728623 is a prime.

Together with 117728629, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117728623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58864313 + 58864314.

It is an arithmetic number, because the mean of its divisors is an integer number (58864314).

Almost surely, 2^117728627 is an apocalyptic number.

117728627 is a deficient number, since it is larger than the sum of its proper divisors (1).

117728627 is an equidigital number, since it uses as much as digits as its factorization.

117728627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 41.

The square root of 117728627 is about 10850.2823465567. The cubic root of 117728627 is about 490.1105220636.

The spelling of 117728627 in words is "one hundred seventeen million, seven hundred twenty-eight thousand, six hundred twenty-seven".