117748271826 has 12 divisors (see below), whose sum is σ = 255121255662. Its totient is φ = 39249423936.

The previous prime is 117748271821. The next prime is 117748271833. The reversal of 117748271826 is 628172847711.

It is a happy number.

117748271826 is a `hidden beast` number, since 1 + 1 + 77 + 482 + 71 + 8 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117718296201 + 29975625 = 343101^2 + 5475^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117748271821) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3270785311 + ... + 3270785346.

Almost surely, 2^117748271826 is an apocalyptic number.

117748271826 is an abundant number, since it is smaller than the sum of its proper divisors (137372983836).

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

117748271826 is a wasteful number, since it uses less digits than its factorization.

117748271826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541570665 (or 6541570662 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 54.

The spelling of 117748271826 in words is "one hundred seventeen billion, seven hundred forty-eight million, two hundred seventy-one thousand, eight hundred twenty-six".