117919816292 has 6 divisors (see below), whose sum is σ = 206359678518. Its totient is φ = 58959908144.

The previous prime is 117919816291. The next prime is 117919816303. The reversal of 117919816292 is 292618919711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99397695076 + 18522121216 = 315274^2 + 136096^2 .

It is not an unprimeable number, because it can be changed into a prime (117919816291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14739977033 + ... + 14739977040.

It is an arithmetic number, because the mean of its divisors is an integer number (34393279753).

Almost surely, 2^117919816292 is an apocalyptic number.

It is an amenable number.

117919816292 is a deficient number, since it is larger than the sum of its proper divisors (88439862226).

117919816292 is a wasteful number, since it uses less digits than its factorization.

117919816292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29479954077 (or 29479954075 counting only the distinct ones).

The product of its digits is 979776, while the sum is 56.

The spelling of 117919816292 in words is "one hundred seventeen billion, nine hundred nineteen million, eight hundred sixteen thousand, two hundred ninety-two".