117264213 has 16 divisors (see below), whose sum is σ = 189518400. Its totient is φ = 71069040.

The previous prime is 117264209. The next prime is 117264229. The reversal of 117264213 is 312462711.

117264213 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 642 + 13 = 666.

It is not a de Polignac number, because 117264213 - 2² = 117264209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117264263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197118 + ... + 197711.

It is an arithmetic number, because the mean of its divisors is an integer number (11844900).

Almost surely, 2^117264213 is an apocalyptic number.

It is an amenable number.

117264213 is a deficient number, since it is larger than the sum of its proper divisors (72254187).

117264213 is a wasteful number, since it uses less digits than its factorization.

117264213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394849 (or 394843 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 117264213 is about 10828.8601893274. The cubic root of 117264213 is about 489.4652127402.

The spelling of 117264213 in words is "one hundred seventeen million, two hundred sixty-four thousand, two hundred thirteen".