117453487617 has 20 divisors (see below), whose sum is σ = 175933334016. Its totient is φ = 78088947480.

The previous prime is 117453487607. The next prime is 117453487621. The reversal of 117453487617 is 716784354711.

117453487617 is a `hidden beast` number, since 1 + 17 + 4 + 5 + 3 + 4 + 8 + 7 + 617 = 666.

It is not a de Polignac number, because 117453487617 - 2¹⁸ = 117453225473 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117453487607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1945809 + ... + 2005262.

Almost surely, 2^117453487617 is an apocalyptic number.

It is an amenable number.

117453487617 is a deficient number, since it is larger than the sum of its proper divisors (58479846399).

117453487617 is an equidigital number, since it uses as much as digits as its factorization.

117453487617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951450 (or 3951441 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 117453487617 in words is "one hundred seventeen billion, four hundred fifty-three million, four hundred eighty-seven thousand, six hundred seventeen".