117711798 has 16 divisors (see below), whose sum is σ = 235645680. Its totient is φ = 39200256.

The previous prime is 117711793. The next prime is 117711809. The reversal of 117711798 is 897117711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117711793) 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, 1915 + ... + 15462.

It is an arithmetic number, because the mean of its divisors is an integer number (14727855).

Almost surely, 2^117711798 is an apocalyptic number.

117711798 is an abundant number, since it is smaller than the sum of its proper divisors (117933882).

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

117711798 is a wasteful number, since it uses less digits than its factorization.

117711798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511.

The product of its digits is 24696, while the sum is 42.

The square root of 117711798 is about 10849.5068090674. The cubic root of 117711798 is about 490.0871676107.

The spelling of 117711798 in words is "one hundred seventeen million, seven hundred eleven thousand, seven hundred ninety-eight".