117803789566 has 16 divisors (see below), whose sum is σ = 179187422544. Its totient is φ = 58075199424.

The previous prime is 117803789563. The next prime is 117803789573. The reversal of 117803789566 is 665987308711.

It is a super-2 number, since 2×117803789566² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117803789563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296440 + ... + 568756.

It is an arithmetic number, because the mean of its divisors is an integer number (11199213909).

Almost surely, 2^117803789566 is an apocalyptic number.

117803789566 is a deficient number, since it is larger than the sum of its proper divisors (61383632978).

117803789566 is a wasteful number, since it uses less digits than its factorization.

117803789566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275355.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 117803789566 in words is "one hundred seventeen billion, eight hundred three million, seven hundred eighty-nine thousand, five hundred sixty-six".