117647983 has 8 divisors (see below), whose sum is σ = 124674480. Its totient is φ = 110819520.

The previous prime is 117647977. The next prime is 117647987. The reversal of 117647983 is 389746711.

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 117647983 - 2⁹ = 117647471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117647987) 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, 48285 + ... + 50662.

It is an arithmetic number, because the mean of its divisors is an integer number (15584310).

Almost surely, 2^117647983 is an apocalyptic number.

117647983 is a deficient number, since it is larger than the sum of its proper divisors (7026497).

117647983 is an equidigital number, since it uses as much as digits as its factorization.

117647983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99017.

The product of its digits is 254016, while the sum is 46.

The square root of 117647983 is about 10846.5654932794. The cubic root of 117647983 is about 489.9985880842.

The spelling of 117647983 in words is "one hundred seventeen million, six hundred forty-seven thousand, nine hundred eighty-three".