117172848 has 80 divisors (see below), whose sum is σ = 343172480. Its totient is φ = 34152192.

The previous prime is 117172813. The next prime is 117172849. The reversal of 117172848 is 848271711.

It is a super-2 number, since 2×117172848² = 27458952616862208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117172849) 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 15 ways as a sum of consecutive naturals, for example, 6915 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (4289656).

Almost surely, 2^117172848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117172848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171586240).

117172848 is an abundant number, since it is smaller than the sum of its proper divisors (225999632).

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

117172848 is a wasteful number, since it uses less digits than its factorization.

117172848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926 (or 9920 counting only the distinct ones).

The product of its digits is 25088, while the sum is 39.

The square root of 117172848 is about 10824.6407792591. The cubic root of 117172848 is about 489.3380594016.

The spelling of 117172848 in words is "one hundred seventeen million, one hundred seventy-two thousand, eight hundred forty-eight".