117428211684 has 243 divisors, whose sum is σ = 355709537001. Its totient is φ = 32568117120.

The previous prime is 117428211611. The next prime is 117428211697. The reversal of 117428211684 is 486112824711.

The square root of 117428211684 is 342678.

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

117428211684 is a `hidden beast` number, since 1 + 1 + 7 + 428 + 211 + 6 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5658349284 + 111769862400 = 75222^2 + 334320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 590091417 + ... + 590091615.

Almost surely, 2^117428211684 is an apocalyptic number.

117428211684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117428211684 is the 342678-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117428211684

117428211684 is an abundant number, since it is smaller than the sum of its proper divisors (238281325317).

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

117428211684 is a wasteful number, since it uses less digits than its factorization.

117428211684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 252 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The spelling of 117428211684 in words is "one hundred seventeen billion, four hundred twenty-eight million, two hundred eleven thousand, six hundred eighty-four".