109117008 has 240 divisors, whose sum is σ = 410557056. Its totient is φ = 26127360.

The previous prime is 109116977. The next prime is 109117013. The reversal of 109117008 is 800711901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143766 + ... + 144522.

Almost surely, 2^109117008 is an apocalyptic number.

109117008 is a gapful number since it is divisible by the number (18) 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 109117008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205278528).

109117008 is an abundant number, since it is smaller than the sum of its proper divisors (301440048).

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

109117008 is a wasteful number, since it uses less digits than its factorization.

109117008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 109117008 is about 10445.9086727771. The cubic root of 109117008 is about 477.8564837027.

Adding to 109117008 its reverse (800711901), we get a palindrome (909828909).

The spelling of 109117008 in words is "one hundred nine million, one hundred seventeen thousand, eight".