117767021584 has 15 divisors (see below), whose sum is σ = 228176263933. Its totient is φ = 58882824448.

The previous prime is 117767021579. The next prime is 117767021597. The reversal of 117767021584 is 485120767711.

The square root of 117767021584 is 343172.

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

It can be written as a sum of positive squares in only one way, i.e., 114880323600 + 2886697984 = 338940^2 + 53728^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1329792 + ... + 1415584.

Almost surely, 2^117767021584 is an apocalyptic number.

117767021584 is the 343172-nd square number.

It is an amenable number.

117767021584 is a deficient number, since it is larger than the sum of its proper divisors (110409242349).

117767021584 is an frugal number, since it uses more digits than its factorization.

117767021584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171594 (or 85795 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 49.

Multiplying 117767021584 by its sum of digits (49), we get a square (5770584057616 = 2402204²).

The spelling of 117767021584 in words is "one hundred seventeen billion, seven hundred sixty-seven million, twenty-one thousand, five hundred eighty-four".