117840783 has 8 divisors (see below), whose sum is σ = 160085808. Its totient is φ = 77078144.

The previous prime is 117840781. The next prime is 117840803. The reversal of 117840783 is 387048711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117840783 - 2¹ = 117840781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117840781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370410 + ... + 370727.

It is an arithmetic number, because the mean of its divisors is an integer number (20010726).

Almost surely, 2^117840783 is an apocalyptic number.

117840783 is a deficient number, since it is larger than the sum of its proper divisors (42245025).

117840783 is an equidigital number, since it uses as much as digits as its factorization.

117840783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741193.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 117840783 is about 10855.4494609850. The cubic root of 117840783 is about 490.2661097931.

The spelling of 117840783 in words is "one hundred seventeen million, eight hundred forty thousand, seven hundred eighty-three".