117401678 has 16 divisors (see below), whose sum is σ = 179788896. Its totient is φ = 57476640.

The previous prime is 117401671. The next prime is 117401699. The reversal of 117401678 is 876104711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117401671) 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 in 7 ways as a sum of consecutive naturals, for example, 76943 + ... + 78453.

It is an arithmetic number, because the mean of its divisors is an integer number (11236806).

Almost surely, 2^117401678 is an apocalyptic number.

117401678 is a deficient number, since it is larger than the sum of its proper divisors (62387218).

117401678 is a wasteful number, since it uses less digits than its factorization.

117401678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 117401678 is about 10835.2054895143. The cubic root of 117401678 is about 489.6563994035.

The spelling of 117401678 in words is "one hundred seventeen million, four hundred one thousand, six hundred seventy-eight".