117882901 has 2 divisors, whose sum is σ = 117882902. Its totient is φ = 117882900.

The previous prime is 117882899. The next prime is 117882943. The reversal of 117882901 is 109288711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117202276 + 680625 = 10826^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 117882901 - 2¹ = 117882899 is a prime.

Together with 117882899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117880901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58941450 + 58941451.

It is an arithmetic number, because the mean of its divisors is an integer number (58941451).

Almost surely, 2^117882901 is an apocalyptic number.

It is an amenable number.

117882901 is a deficient number, since it is larger than the sum of its proper divisors (1).

117882901 is an equidigital number, since it uses as much as digits as its factorization.

117882901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 117882901 is about 10857.3892349865. The cubic root of 117882901 is about 490.3245122349.

The spelling of 117882901 in words is "one hundred seventeen million, eight hundred eighty-two thousand, nine hundred one".