117208636 has 6 divisors (see below), whose sum is σ = 205115120. Its totient is φ = 58604316.

The previous prime is 117208631. The next prime is 117208643. The reversal of 117208636 is 636802711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117208631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14651076 + ... + 14651083.

Almost surely, 2^117208636 is an apocalyptic number.

It is an amenable number.

117208636 is a deficient number, since it is larger than the sum of its proper divisors (87906484).

117208636 is a wasteful number, since it uses less digits than its factorization.

117208636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29302163 (or 29302161 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 117208636 is about 10826.2937333143. The cubic root of 117208636 is about 489.3878736949.

The spelling of 117208636 in words is "one hundred seventeen million, two hundred eight thousand, six hundred thirty-six".