117609390990 has 480 divisors, whose sum is σ = 413533479744. Its totient is φ = 23350394880.

The previous prime is 117609390947. The next prime is 117609391057. The reversal of 117609390990 is 99093906711.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 21299430 + ... + 21304950.

Almost surely, 2^117609390990 is an apocalyptic number.

117609390990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117609390990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206766739872).

117609390990 is an abundant number, since it is smaller than the sum of its proper divisors (295924088754).

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

117609390990 is a wasteful number, since it uses less digits than its factorization.

117609390990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594 (or 5568 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 54.

The spelling of 117609390990 in words is "one hundred seventeen billion, six hundred nine million, three hundred ninety thousand, nine hundred ninety".