117601819 has 2 divisors, whose sum is σ = 117601820. Its totient is φ = 117601818.

The previous prime is 117601793. The next prime is 117601831. The reversal of 117601819 is 918106711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117601819 - 2¹³ = 117593627 is a prime.

It is a super-2 number, since 2×117601819² = 27660375664217522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117601889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58800909 + 58800910.

It is an arithmetic number, because the mean of its divisors is an integer number (58800910).

Almost surely, 2^117601819 is an apocalyptic number.

117601819 is a deficient number, since it is larger than the sum of its proper divisors (1).

117601819 is an equidigital number, since it uses as much as digits as its factorization.

117601819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 34.

The square root of 117601819 is about 10844.4372375887. The cubic root of 117601819 is about 489.9344893677.

The spelling of 117601819 in words is "one hundred seventeen million, six hundred one thousand, eight hundred nineteen".