117071783 has 4 divisors (see below), whose sum is σ = 119562720. Its totient is φ = 114580848.

The previous prime is 117071719. The next prime is 117071807. The reversal of 117071783 is 387170711.

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 117071783 - 2⁶ = 117071719 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 (117071183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245398 + ... + 1245491.

It is an arithmetic number, because the mean of its divisors is an integer number (29890680).

Almost surely, 2^117071783 is an apocalyptic number.

117071783 is a deficient number, since it is larger than the sum of its proper divisors (2490937).

117071783 is an equidigital number, since it uses as much as digits as its factorization.

117071783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490936.

The product of its (nonzero) digits is 8232, while the sum is 35.

The square root of 117071783 is about 10819.9714879476. The cubic root of 117071783 is about 489.1973294816.

The spelling of 117071783 in words is "one hundred seventeen million, seventy-one thousand, seven hundred eighty-three".