117208946788 has 12 divisors (see below), whose sum is σ = 205244106172. Its totient is φ = 58567773600.

The previous prime is 117208946783. The next prime is 117208946797. The reversal of 117208946788 is 887649802711.

It can be written as a sum of positive squares in 2 ways, for example, as 77652510244 + 39556436544 = 278662^2 + 198888^2 .

It is not an unprimeable number, because it can be changed into a prime (117208946783) 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, 9167763 + ... + 9180538.

Almost surely, 2^117208946788 is an apocalyptic number.

It is an amenable number.

117208946788 is a deficient number, since it is larger than the sum of its proper divisors (88035159384).

117208946788 is a wasteful number, since it uses less digits than its factorization.

117208946788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18349902 (or 18349900 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 117208946788 in words is "one hundred seventeen billion, two hundred eight million, nine hundred forty-six thousand, seven hundred eighty-eight".