117172415 has 8 divisors (see below), whose sum is σ = 148878000. Its totient is φ = 88223872.

The previous prime is 117172409. The next prime is 117172417. The reversal of 117172415 is 514271711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117172415 - 2¹⁶ = 117106879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117172417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689165 + ... + 689334.

It is an arithmetic number, because the mean of its divisors is an integer number (18609750).

Almost surely, 2^117172415 is an apocalyptic number.

117172415 is a deficient number, since it is larger than the sum of its proper divisors (31705585).

117172415 is a wasteful number, since it uses less digits than its factorization.

117172415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378521.

The product of its digits is 1960, while the sum is 29.

The square root of 117172415 is about 10824.6207785770. The cubic root of 117172415 is about 489.3374566350.

The spelling of 117172415 in words is "one hundred seventeen million, one hundred seventy-two thousand, four hundred fifteen".