117969647 has 8 divisors (see below), whose sum is σ = 126774576. Its totient is φ = 109372032.

The previous prime is 117969637. The next prime is 117969661. The reversal of 117969647 is 746969711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117969647 - 2⁶ = 117969583 is a prime.

It is a super-2 number, since 2×117969647² = 27833675226609218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117969595 and 117969604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117969637) 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 7 ways as a sum of consecutive naturals, for example, 50648 + ... + 52925.

It is an arithmetic number, because the mean of its divisors is an integer number (15846822).

Almost surely, 2^117969647 is an apocalyptic number.

117969647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117969647 is a deficient number, since it is larger than the sum of its proper divisors (8804929).

117969647 is a wasteful number, since it uses less digits than its factorization.

117969647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103657.

The product of its digits is 571536, while the sum is 50.

The square root of 117969647 is about 10861.3832912756. The cubic root of 117969647 is about 490.4447537656. Note that the first 3 decimals are identical.

The spelling of 117969647 in words is "one hundred seventeen million, nine hundred sixty-nine thousand, six hundred forty-seven".