117408575987 has 8 divisors (see below), whose sum is σ = 118735787520. Its totient is φ = 116081542720.

The previous prime is 117408575981. The next prime is 117408575993. The reversal of 117408575987 is 789575804711.

It is an interprime number because it is at equal distance from previous prime (117408575981) and next prime (117408575993).

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 117408575987 - 2⁴ = 117408575971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117408575981) 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, 1635662 + ... + 1705932.

It is an arithmetic number, because the mean of its divisors is an integer number (14841973440).

Almost surely, 2^117408575987 is an apocalyptic number.

117408575987 is a deficient number, since it is larger than the sum of its proper divisors (1327211533).

117408575987 is an equidigital number, since it uses as much as digits as its factorization.

117408575987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89133.

The product of its (nonzero) digits is 19756800, while the sum is 62.

The spelling of 117408575987 in words is "one hundred seventeen billion, four hundred eight million, five hundred seventy-five thousand, nine hundred eighty-seven".