117545904 has 180 divisors, whose sum is σ = 397490184. Its totient is φ = 33530112.

The previous prime is 117545887. The next prime is 117545933. The reversal of 117545904 is 409545711.

117545904 is a `hidden beast` number, since 1 + 17 + 54 + 590 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 190204 + ... + 190820.

Almost surely, 2^117545904 is an apocalyptic number.

117545904 is a gapful number since it is divisible by the number (14) 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 117545904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198745092).

117545904 is an abundant number, since it is smaller than the sum of its proper divisors (279944280).

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

117545904 is an equidigital number, since it uses as much as digits as its factorization.

117545904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 117545904 is about 10841.8588812067. The cubic root of 117545904 is about 489.8568289198.

The spelling of 117545904 in words is "one hundred seventeen million, five hundred forty-five thousand, nine hundred four".