117494479 has 16 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 111456000.

The previous prime is 117494477. The next prime is 117494539. The reversal of 117494479 is 974494711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 117494479 - 2¹ = 117494477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117494471) 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 15 ways as a sum of consecutive naturals, for example, 272394 + ... + 272824.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^117494479 is an apocalyptic number.

117494479 is a deficient number, since it is larger than the sum of its proper divisors (6247601).

117494479 is a wasteful number, since it uses less digits than its factorization.

117494479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 254016, while the sum is 46.

The square root of 117494479 is about 10839.4870266079. The cubic root of 117494479 is about 489.7853828973.

The spelling of 117494479 in words is "one hundred seventeen million, four hundred ninety-four thousand, four hundred seventy-nine".