117741980 has 24 divisors (see below), whose sum is σ = 248231088. Its totient is φ = 46911488.

The previous prime is 117741979. The next prime is 117741989. The reversal of 117741980 is 89147711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117741989) 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, 6314 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (10342962).

Almost surely, 2^117741980 is an apocalyptic number.

117741980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117741980 is an abundant number, since it is smaller than the sum of its proper divisors (130489108).

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

117741980 is a wasteful number, since it uses less digits than its factorization.

117741980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173 (or 23171 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 117741980 is about 10850.8976587193. The cubic root of 117741980 is about 490.1290511123.

The spelling of 117741980 in words is "one hundred seventeen million, seven hundred forty-one thousand, nine hundred eighty".