117709461 has 12 divisors (see below), whose sum is σ = 170733420. Its totient is φ = 78145920.

The previous prime is 117709453. The next prime is 117709489. The reversal of 117709461 is 164907711.

It can be written as a sum of positive squares in 2 ways, for example, as 98128836 + 19580625 = 9906^2 + 4425^2 .

It is not a de Polignac number, because 117709461 - 2³ = 117709453 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117709861) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24966 + ... + 29303.

It is an arithmetic number, because the mean of its divisors is an integer number (14227785).

Almost surely, 2^117709461 is an apocalyptic number.

It is an amenable number.

117709461 is a deficient number, since it is larger than the sum of its proper divisors (53023959).

117709461 is a wasteful number, since it uses less digits than its factorization.

117709461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54516 (or 54513 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 117709461 is about 10849.3991077847. The cubic root of 117709461 is about 490.0839242618.

The spelling of 117709461 in words is "one hundred seventeen million, seven hundred nine thousand, four hundred sixty-one".