117808453 has 16 divisors (see below), whose sum is σ = 145255680. Its totient is φ = 93240576.

The previous prime is 117808451. The next prime is 117808459. The reversal of 117808453 is 354808711.

It is a cyclic number.

It is not a de Polignac number, because 117808453 - 2¹ = 117808451 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 (117808451) 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 in 15 ways as a sum of consecutive naturals, for example, 3033 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (9078480).

Almost surely, 2^117808453 is an apocalyptic number.

It is an amenable number.

117808453 is a deficient number, since it is larger than the sum of its proper divisors (27447227).

117808453 is a wasteful number, since it uses less digits than its factorization.

117808453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18756.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 117808453 is about 10853.9602449981. The cubic root of 117808453 is about 490.2212703278.

The spelling of 117808453 in words is "one hundred seventeen million, eight hundred eight thousand, four hundred fifty-three".