117789451754 has 32 divisors (see below), whose sum is σ = 198620190720. Its totient is φ = 52019510400.

The previous prime is 117789451729. The next prime is 117789451763. The reversal of 117789451754 is 457154987711.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117789451693 and 117789451702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749282 + ... + 892749.

It is an arithmetic number, because the mean of its divisors is an integer number (6206880960).

Almost surely, 2^117789451754 is an apocalyptic number.

117789451754 is a deficient number, since it is larger than the sum of its proper divisors (80830738966).

117789451754 is a wasteful number, since it uses less digits than its factorization.

117789451754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642166.

The product of its digits is 9878400, while the sum is 59.

The spelling of 117789451754 in words is "one hundred seventeen billion, seven hundred eighty-nine million, four hundred fifty-one thousand, seven hundred fifty-four".