117966678 has 32 divisors (see below), whose sum is σ = 246834432. Its totient is φ = 37514400.

The previous prime is 117966661. The next prime is 117966691. The reversal of 117966678 is 876669711.

It is a super-2 number, since 2×117966678² = 27832274236711368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117966678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66888 + ... + 68628.

It is an arithmetic number, because the mean of its divisors is an integer number (7713576).

Almost surely, 2^117966678 is an apocalyptic number.

117966678 is an abundant number, since it is smaller than the sum of its proper divisors (128867754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117966678 is a wasteful number, since it uses less digits than its factorization.

117966678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its digits is 762048, while the sum is 51.

The square root of 117966678 is about 10861.2466135338. The cubic root of 117966678 is about 490.4406393098.

The spelling of 117966678 in words is "one hundred seventeen million, nine hundred sixty-six thousand, six hundred seventy-eight".