117636620 has 12 divisors (see below), whose sum is σ = 247036944. Its totient is φ = 47054640.

The previous prime is 117636587. The next prime is 117636689. The reversal of 117636620 is 26636711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940896 + ... + 2940935.

It is an arithmetic number, because the mean of its divisors is an integer number (20586412).

Almost surely, 2^117636620 is an apocalyptic number.

117636620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117636620 is an abundant number, since it is smaller than the sum of its proper divisors (129400324).

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

117636620 is a wasteful number, since it uses less digits than its factorization.

117636620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881840 (or 5881838 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 117636620 is about 10846.0416742699. The cubic root of 117636620 is about 489.9828121140.

Subtracting from 117636620 its reverse (26636711), we obtain a palindrome (90999909).

The spelling of 117636620 in words is "one hundred seventeen million, six hundred thirty-six thousand, six hundred twenty".