117636983 has 2 divisors, whose sum is σ = 117636984. Its totient is φ = 117636982.

The previous prime is 117636947. The next prime is 117637001. The reversal of 117636983 is 389636711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117636983 - 2⁶ = 117636919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117636943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58818491 + 58818492.

It is an arithmetic number, because the mean of its divisors is an integer number (58818492).

Almost surely, 2^117636983 is an apocalyptic number.

117636983 is a deficient number, since it is larger than the sum of its proper divisors (1).

117636983 is an equidigital number, since it uses as much as digits as its factorization.

117636983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 117636983 is about 10846.0584084726. The cubic root of 117636983 is about 489.9833161055.

The spelling of 117636983 in words is "one hundred seventeen million, six hundred thirty-six thousand, nine hundred eighty-three".