117878753562 has 8 divisors (see below), whose sum is σ = 235757507136. Its totient is φ = 39292917852.

The previous prime is 117878753561. The next prime is 117878753569. The reversal of 117878753562 is 265357878711.

It is a happy number.

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

117878753562 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 117878753496 and 117878753505.

It is not an unprimeable number, because it can be changed into a prime (117878753561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9823229458 + ... + 9823229469.

It is an arithmetic number, because the mean of its divisors is an integer number (29469688392).

Almost surely, 2^117878753562 is an apocalyptic number.

117878753562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117878753562 is a wasteful number, since it uses less digits than its factorization.

117878753562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646458932.

The product of its digits is 19756800, while the sum is 60.

The spelling of 117878753562 in words is "one hundred seventeen billion, eight hundred seventy-eight million, seven hundred fifty-three thousand, five hundred sixty-two".