117697536 has 264 divisors, whose sum is σ = 393417024. Its totient is φ = 34836480.

The previous prime is 117697501. The next prime is 117697549. The reversal of 117697536 is 635796711.

It is a tau number, because it is divible by the number of its divisors (264).

It is a junction number, because it is equal to n+sod(n) for n = 117697491 and 117697500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2737131 + ... + 2737173.

It is an arithmetic number, because the mean of its divisors is an integer number (1490216).

Almost surely, 2^117697536 is an apocalyptic number.

117697536 is a gapful number since it is divisible by the number (16) 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 117697536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196708512).

117697536 is an abundant number, since it is smaller than the sum of its proper divisors (275719488).

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

117697536 is an equidigital number, since it uses as much as digits as its factorization.

117697536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 117697536 is about 10848.8495242583. The cubic root of 117697536 is about 490.0673737707.

The spelling of 117697536 in words is "one hundred seventeen million, six hundred ninety-seven thousand, five hundred thirty-six".