117932647 has 16 divisors (see below), whose sum is σ = 139809600. Its totient is φ = 97332480.

The previous prime is 117932623. The next prime is 117932651. The reversal of 117932647 is 746239711.

It is a de Polignac number, because none of the positive numbers 2^k-117932647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117932657) 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, 114997 + ... + 116017.

It is an arithmetic number, because the mean of its divisors is an integer number (8738100).

Almost surely, 2^117932647 is an apocalyptic number.

117932647 is a deficient number, since it is larger than the sum of its proper divisors (21876953).

117932647 is a wasteful number, since it uses less digits than its factorization.

117932647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

The product of its digits is 63504, while the sum is 40.

The square root of 117932647 is about 10859.6798755764. The cubic root of 117932647 is about 490.3934740400.

The spelling of 117932647 in words is "one hundred seventeen million, nine hundred thirty-two thousand, six hundred forty-seven".