117730444686 has 16 divisors (see below), whose sum is σ = 247853568000. Its totient is φ = 37178035128.

The previous prime is 117730444681. The next prime is 117730444693. The reversal of 117730444686 is 686444037711.

It is a happy 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516361486 + ... + 516361713.

It is an arithmetic number, because the mean of its divisors is an integer number (15490848000).

Almost surely, 2^117730444686 is an apocalyptic number.

117730444686 is an abundant number, since it is smaller than the sum of its proper divisors (130123123314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117730444686 is a wasteful number, since it uses less digits than its factorization.

117730444686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032723223.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 117730444686 in words is "one hundred seventeen billion, seven hundred thirty million, four hundred forty-four thousand, six hundred eighty-six".