117687419136 has 243 divisors, whose sum is σ = 395108308413. Its totient is φ = 33592043520.

The previous prime is 117687419123. The next prime is 117687419149. The reversal of 117687419136 is 631914786711.

The square root of 117687419136 is 343056.

It is a perfect power (a square), and thus also a powerful number.

117687419136 is a `hidden beast` number, since 1 + 17 + 6 + 87 + 419 + 136 = 666.

It is an interprime number because it is at equal distance from previous prime (117687419123) and next prime (117687419149).

It can be written as a sum of positive squares in only one way, i.e., 68509921536 + 49177497600 = 261744^2 + 221760^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 115266306 + ... + 115267326.

Almost surely, 2^117687419136 is an apocalyptic number.

117687419136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

117687419136 is the 343056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117687419136

117687419136 is an abundant number, since it is smaller than the sum of its proper divisors (277420889277).

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

117687419136 is an frugal number, since it uses more digits than its factorization.

117687419136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 1033 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The spelling of 117687419136 in words is "one hundred seventeen billion, six hundred eighty-seven million, four hundred nineteen thousand, one hundred thirty-six".