117766013 has 4 divisors (see below), whose sum is σ = 121826940. Its totient is φ = 113705088.

The previous prime is 117766007. The next prime is 117766027. The reversal of 117766013 is 310667711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56957209 + 60808804 = 7547^2 + 7798^2 .

It is a cyclic number.

It is not a de Polignac number, because 117766013 - 2⁴ = 117765997 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 (117766073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030420 + ... + 2030477.

It is an arithmetic number, because the mean of its divisors is an integer number (30456735).

Almost surely, 2^117766013 is an apocalyptic number.

It is an amenable number.

117766013 is a deficient number, since it is larger than the sum of its proper divisors (4060927).

117766013 is an equidigital number, since it uses as much as digits as its factorization.

117766013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060926.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 117766013 is about 10852.0050221146. The cubic root of 117766013 is about 490.1623965402.

The spelling of 117766013 in words is "one hundred seventeen million, seven hundred sixty-six thousand, thirteen".