117477140 has 96 divisors (see below), whose sum is σ = 288707328. Its totient is φ = 39680000.

The previous prime is 117477131. The next prime is 117477149. The reversal of 117477140 is 41774711.

It is an interprime number because it is at equal distance from previous prime (117477131) and next prime (117477149).

It is a junction number, because it is equal to n+sod(n) for n = 117477097 and 117477106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117477149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377585 + ... + 377895.

It is an arithmetic number, because the mean of its divisors is an integer number (3007368).

Almost surely, 2^117477140 is an apocalyptic number.

117477140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117477140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144353664).

117477140 is an abundant number, since it is smaller than the sum of its proper divisors (171230188).

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

117477140 is a wasteful number, since it uses less digits than its factorization.

117477140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 117477140 is about 10838.6871898768. The cubic root of 117477140 is about 489.7612886970.

The spelling of 117477140 in words is "one hundred seventeen million, four hundred seventy-seven thousand, one hundred forty".