117804587 has 2 divisors, whose sum is σ = 117804588. Its totient is φ = 117804586.

The previous prime is 117804581. The next prime is 117804653. The reversal of 117804587 is 785408711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117804587 - 2²⁰ = 116756011 is a prime.

It is not a weakly prime, because it can be changed into another prime (117804581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58902293 + 58902294.

It is an arithmetic number, because the mean of its divisors is an integer number (58902294).

Almost surely, 2^117804587 is an apocalyptic number.

117804587 is a deficient number, since it is larger than the sum of its proper divisors (1).

117804587 is an equidigital number, since it uses as much as digits as its factorization.

117804587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 117804587 is about 10853.7821518584. The cubic root of 117804587 is about 490.2159079052.

The spelling of 117804587 in words is "one hundred seventeen million, eight hundred four thousand, five hundred eighty-seven".