117477459 has 20 divisors (see below), whose sum is σ = 191446200. Its totient is φ = 71197920.

The previous prime is 117477449. The next prime is 117477467. The reversal of 117477459 is 954774711.

It is not a de Polignac number, because 117477459 - 2¹⁹ = 116953171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117477449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65034 + ... + 66815.

It is an arithmetic number, because the mean of its divisors is an integer number (9572310).

Almost surely, 2^117477459 is an apocalyptic number.

117477459 is a deficient number, since it is larger than the sum of its proper divisors (73968741).

117477459 is a wasteful number, since it uses less digits than its factorization.

117477459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131872 (or 131863 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 117477459 is about 10838.7019056712. The cubic root of 117477459 is about 489.7617319995.

The spelling of 117477459 in words is "one hundred seventeen million, four hundred seventy-seven thousand, four hundred fifty-nine".