117000791787 has 32 divisors (see below), whose sum is σ = 173137847040. Its totient is φ = 69680592000.

The previous prime is 117000791773. The next prime is 117000791807. The reversal of 117000791787 is 787197000711.

It is not a de Polignac number, because 117000791787 - 2¹⁵ = 117000759019 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (117000791587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2124712 + ... + 2179082.

It is an arithmetic number, because the mean of its divisors is an integer number (5410557720).

Almost surely, 2^117000791787 is an apocalyptic number.

117000791787 is a deficient number, since it is larger than the sum of its proper divisors (56137055253).

117000791787 is a wasteful number, since it uses less digits than its factorization.

117000791787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55515.

The product of its (nonzero) digits is 172872, while the sum is 48.

The spelling of 117000791787 in words is "one hundred seventeen billion, seven hundred ninety-one thousand, seven hundred eighty-seven".