117467987 has 8 divisors (see below), whose sum is σ = 144576096. Its totient is φ = 92941632.

The previous prime is 117467983. The next prime is 117468017. The reversal of 117467987 is 789764711.

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

It is not a de Polignac number, because 117467987 - 2² = 117467983 is a prime.

It is a super-3 number, since 3×117467987³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (117467983) 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, 645338 + ... + 645519.

It is an arithmetic number, because the mean of its divisors is an integer number (18072012).

Almost surely, 2^117467987 is an apocalyptic number.

117467987 is a deficient number, since it is larger than the sum of its proper divisors (27108109).

117467987 is a wasteful number, since it uses less digits than its factorization.

117467987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290877.

The product of its digits is 592704, while the sum is 50.

The square root of 117467987 is about 10838.2649441689. The cubic root of 117467987 is about 489.7485687712.

The spelling of 117467987 in words is "one hundred seventeen million, four hundred sixty-seven thousand, nine hundred eighty-seven".