117809546 has 16 divisors (see below), whose sum is σ = 179397504. Its totient is φ = 58016784.

The previous prime is 117809537. The next prime is 117809597. The reversal of 117809546 is 645908711.

It is a super-2 number, since 2×117809546² = 27758178257452232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39131 + ... + 42033.

It is an arithmetic number, because the mean of its divisors is an integer number (11212344).

Almost surely, 2^117809546 is an apocalyptic number.

117809546 is a deficient number, since it is larger than the sum of its proper divisors (61587958).

117809546 is a wasteful number, since it uses less digits than its factorization.

117809546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 117809546 is about 10854.0105951671. The cubic root of 117809546 is about 490.2227863769. Note that the first 3 decimals are identical.

The spelling of 117809546 in words is "one hundred seventeen million, eight hundred nine thousand, five hundred forty-six".