117821718062 has 16 divisors (see below), whose sum is σ = 184619993472. Its totient is φ = 56287370040.

The previous prime is 117821718061. The next prime is 117821718089. The reversal of 117821718062 is 260817128711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117821718061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370264 + ... + 1453707.

It is an arithmetic number, because the mean of its divisors is an integer number (11538749592).

Almost surely, 2^117821718062 is an apocalyptic number.

117821718062 is a deficient number, since it is larger than the sum of its proper divisors (66798275410).

117821718062 is a wasteful number, since it uses less digits than its factorization.

117821718062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824903.

The product of its (nonzero) digits is 75264, while the sum is 44.

The spelling of 117821718062 in words is "one hundred seventeen billion, eight hundred twenty-one million, seven hundred eighteen thousand, sixty-two".