117648653 has 4 divisors (see below), whose sum is σ = 124569180. Its totient is φ = 110728128.

The previous prime is 117648649. The next prime is 117648667. The reversal of 117648653 is 356846711.

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 70341769 + 47306884 = 8387^2 + 6878^2 .

It is a cyclic number.

It is not a de Polignac number, because 117648653 - 2² = 117648649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117648653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117648623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460238 + ... + 3460271.

It is an arithmetic number, because the mean of its divisors is an integer number (31142295).

Almost surely, 2^117648653 is an apocalyptic number.

It is an amenable number.

117648653 is a deficient number, since it is larger than the sum of its proper divisors (6920527).

117648653 is an equidigital number, since it uses as much as digits as its factorization.

117648653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920526.

The product of its digits is 120960, while the sum is 41.

The square root of 117648653 is about 10846.5963785881. The cubic root of 117648653 is about 489.9995182558. Note that the first 3 decimals are identical.

The spelling of 117648653 in words is "one hundred seventeen million, six hundred forty-eight thousand, six hundred fifty-three".