117647764 has 12 divisors (see below), whose sum is σ = 221720884. Its totient is φ = 54298944.

The previous prime is 117647743. The next prime is 117647767. The reversal of 117647764 is 467746711.

It can be written as a sum of positive squares in 2 ways, for example, as 79923600 + 37724164 = 8940^2 + 6142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117647764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117647767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131177 + ... + 1131280.

Almost surely, 2^117647764 is an apocalyptic number.

It is an amenable number.

117647764 is a deficient number, since it is larger than the sum of its proper divisors (104073120).

117647764 is a wasteful number, since it uses less digits than its factorization.

117647764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262474 (or 2262472 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 117647764 is about 10846.5553979132. Note that the first 3 decimals coincide. The cubic root of 117647764 is about 489.9982840423.

The spelling of 117647764 in words is "one hundred seventeen million, six hundred forty-seven thousand, seven hundred sixty-four".