117398078 has 8 divisors (see below), whose sum is σ = 201253872. Its totient is φ = 50313456.

The previous prime is 117398063. The next prime is 117398111. The reversal of 117398078 is 870893711.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192775 + ... + 4192802.

It is an arithmetic number, because the mean of its divisors is an integer number (25156734).

Almost surely, 2^117398078 is an apocalyptic number.

117398078 is a deficient number, since it is larger than the sum of its proper divisors (83855794).

117398078 is an equidigital number, since it uses as much as digits as its factorization.

117398078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385586.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 117398078 is about 10835.0393631034. The cubic root of 117398078 is about 489.6513944181.

The spelling of 117398078 in words is "one hundred seventeen million, three hundred ninety-eight thousand, seventy-eight".