117479993 has 2 divisors, whose sum is σ = 117479994. Its totient is φ = 117479992.

The previous prime is 117479981. The next prime is 117480001. The reversal of 117479993 is 399974711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115949824 + 1530169 = 10768^2 + 1237^2 .

It is an emirp because it is prime and its reverse (399974711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117479993 - 2¹⁰ = 117478969 is a prime.

It is not a weakly prime, because it can be changed into another prime (117479903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58739996 + 58739997.

It is an arithmetic number, because the mean of its divisors is an integer number (58739997).

Almost surely, 2^117479993 is an apocalyptic number.

It is an amenable number.

117479993 is a deficient number, since it is larger than the sum of its proper divisors (1).

117479993 is an equidigital number, since it uses as much as digits as its factorization.

117479993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 50.

The square root of 117479993 is about 10838.8188009580. The cubic root of 117479993 is about 489.7652533766.

The spelling of 117479993 in words is "one hundred seventeen million, four hundred seventy-nine thousand, nine hundred ninety-three".