117169455828 has 12 divisors (see below), whose sum is σ = 273395396960. Its totient is φ = 39056485272.

The previous prime is 117169455773. The next prime is 117169455869. The reversal of 117169455828 is 828554961711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 4882060648 + ... + 4882060671.

Almost surely, 2^117169455828 is an apocalyptic number.

It is an amenable number.

117169455828 is an abundant number, since it is smaller than the sum of its proper divisors (156225941132).

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

117169455828 is a wasteful number, since it uses less digits than its factorization.

117169455828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9764121326 (or 9764121324 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 57.

The spelling of 117169455828 in words is "one hundred seventeen billion, one hundred sixty-nine million, four hundred fifty-five thousand, eight hundred twenty-eight".