117662539 has 8 divisors (see below), whose sum is σ = 119368080. Its totient is φ = 115965696.

The previous prime is 117662537. The next prime is 117662563. The reversal of 117662539 is 935266711.

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 117662539 - 2¹ = 117662537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117662537) 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 in 7 ways as a sum of consecutive naturals, for example, 28032 + ... + 31954.

It is an arithmetic number, because the mean of its divisors is an integer number (14921010).

Almost surely, 2^117662539 is an apocalyptic number.

117662539 is a deficient number, since it is larger than the sum of its proper divisors (1705541).

117662539 is an equidigital number, since it uses as much as digits as its factorization.

117662539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349.

The product of its digits is 68040, while the sum is 40.

The square root of 117662539 is about 10847.2364683361. The cubic root of 117662539 is about 490.0187956139.

The spelling of 117662539 in words is "one hundred seventeen million, six hundred sixty-two thousand, five hundred thirty-nine".