117045547 has 2 divisors, whose sum is σ = 117045548. Its totient is φ = 117045546.

The previous prime is 117045503. The next prime is 117045563. The reversal of 117045547 is 745540711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117045547 - 2¹⁹ = 116521259 is a prime.

It is not a weakly prime, because it can be changed into another prime (117045587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58522773 + 58522774.

It is an arithmetic number, because the mean of its divisors is an integer number (58522774).

Almost surely, 2^117045547 is an apocalyptic number.

117045547 is a deficient number, since it is larger than the sum of its proper divisors (1).

117045547 is an equidigital number, since it uses as much as digits as its factorization.

117045547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 117045547 is about 10818.7590323475. The cubic root of 117045547 is about 489.1607834137.

The spelling of 117045547 in words is "one hundred seventeen million, forty-five thousand, five hundred forty-seven".