117821363 has 4 divisors (see below), whose sum is σ = 128532408. Its totient is φ = 107110320.

The previous prime is 117821351. The next prime is 117821369. The reversal of 117821363 is 363128711.

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

It is a cyclic number.

It is not a de Polignac number, because 117821363 - 2¹⁴ = 117804979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117821369) 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, 5355506 + ... + 5355527.

It is an arithmetic number, because the mean of its divisors is an integer number (32133102).

Almost surely, 2^117821363 is an apocalyptic number.

117821363 is a deficient number, since it is larger than the sum of its proper divisors (10711045).

117821363 is a wasteful number, since it uses less digits than its factorization.

117821363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10711044.

The product of its digits is 6048, while the sum is 32.

The square root of 117821363 is about 10854.5549425115. The cubic root of 117821363 is about 490.2391765852.

The spelling of 117821363 in words is "one hundred seventeen million, eight hundred twenty-one thousand, three hundred sixty-three".