117587679 has 12 divisors (see below), whose sum is σ = 172332888. Its totient is φ = 71265040.

The previous prime is 117587641. The next prime is 117587683. The reversal of 117587679 is 976785711.

It is not a de Polignac number, because 117587679 - 2⁷ = 117587551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117587609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161604 + ... + 162329.

It is an arithmetic number, because the mean of its divisors is an integer number (14361074).

Almost surely, 2^117587679 is an apocalyptic number.

117587679 is a deficient number, since it is larger than the sum of its proper divisors (54745209).

117587679 is a wasteful number, since it uses less digits than its factorization.

117587679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323958 (or 323947 counting only the distinct ones).

The product of its digits is 740880, while the sum is 51.

The square root of 117587679 is about 10843.7852708360. The cubic root of 117587679 is about 489.9148526211.

The spelling of 117587679 in words is "one hundred seventeen million, five hundred eighty-seven thousand, six hundred seventy-nine".