117109547 has 2 divisors, whose sum is σ = 117109548. Its totient is φ = 117109546.

The previous prime is 117109543. The next prime is 117109561. The reversal of 117109547 is 745901711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117109547 - 2² = 117109543 is a prime.

It is not a weakly prime, because it can be changed into another prime (117109541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58554773 + 58554774.

It is an arithmetic number, because the mean of its divisors is an integer number (58554774).

Almost surely, 2^117109547 is an apocalyptic number.

117109547 is a deficient number, since it is larger than the sum of its proper divisors (1).

117109547 is an equidigital number, since it uses as much as digits as its factorization.

117109547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 117109547 is about 10821.7164535022. The cubic root of 117109547 is about 489.2499241702.

The spelling of 117109547 in words is "one hundred seventeen million, one hundred nine thousand, five hundred forty-seven".