117835071878 has 8 divisors (see below), whose sum is σ = 178404501672. Its totient is φ = 58366904656.

The previous prime is 117835071877. The next prime is 117835071899. The reversal of 117835071878 is 878170538711.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117835071877) 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 3 ways as a sum of consecutive naturals, for example, 275315375 + ... + 275315802.

It is an arithmetic number, because the mean of its divisors is an integer number (22300562709).

Almost surely, 2^117835071878 is an apocalyptic number.

117835071878 is a deficient number, since it is larger than the sum of its proper divisors (60569429794).

117835071878 is a wasteful number, since it uses less digits than its factorization.

117835071878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550631286.

The product of its (nonzero) digits is 2634240, while the sum is 56.

The spelling of 117835071878 in words is "one hundred seventeen billion, eight hundred thirty-five million, seventy-one thousand, eight hundred seventy-eight".