117717478266 has 8 divisors (see below), whose sum is σ = 235434956544. Its totient is φ = 39239159420.

The previous prime is 117717478261. The next prime is 117717478289. The reversal of 117717478266 is 662874717711.

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

117717478266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (117717478261) 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, 9809789850 + ... + 9809789861.

It is an arithmetic number, because the mean of its divisors is an integer number (29429369568).

Almost surely, 2^117717478266 is an apocalyptic number.

117717478266 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.

117717478266 is a wasteful number, since it uses less digits than its factorization.

117717478266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19619579716.

The product of its digits is 5531904, while the sum is 57.

The spelling of 117717478266 in words is "one hundred seventeen billion, seven hundred seventeen million, four hundred seventy-eight thousand, two hundred sixty-six".