117563903 has 4 divisors (see below), whose sum is σ = 118776000. Its totient is φ = 116351808.

The previous prime is 117563881. The next prime is 117563921. The reversal of 117563903 is 309365711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117563903 - 2⁸ = 117563647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117563983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605903 + ... + 606096.

It is an arithmetic number, because the mean of its divisors is an integer number (29694000).

Almost surely, 2^117563903 is an apocalyptic number.

117563903 is a deficient number, since it is larger than the sum of its proper divisors (1212097).

117563903 is an equidigital number, since it uses as much as digits as its factorization.

117563903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212096.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 117563903 is about 10842.6889192672. The cubic root of 117563903 is about 489.8818304519.

The spelling of 117563903 in words is "one hundred seventeen million, five hundred sixty-three thousand, nine hundred three".