117730444687 has 4 divisors (see below), whose sum is σ = 118046076280. Its totient is φ = 117414813096.

The previous prime is 117730444681. The next prime is 117730444693. The reversal of 117730444687 is 786444037711.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (117730444681) and next prime (117730444693).

It is a cyclic number.

It is not a de Polignac number, because 117730444687 - 2³ = 117730444679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117730444681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157815237 + ... + 157815982.

It is an arithmetic number, because the mean of its divisors is an integer number (29511519070).

Almost surely, 2^117730444687 is an apocalyptic number.

117730444687 is a deficient number, since it is larger than the sum of its proper divisors (315631593).

117730444687 is an equidigital number, since it uses as much as digits as its factorization.

117730444687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315631592.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 117730444687 in words is "one hundred seventeen billion, seven hundred thirty million, four hundred forty-four thousand, six hundred eighty-seven".