117573871 has 2 divisors, whose sum is σ = 117573872. Its totient is φ = 117573870.

The previous prime is 117573817. The next prime is 117573877. The reversal of 117573871 is 178375711.

Together with previous prime (117573817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (178375711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117573871 - 2¹⁵ = 117541103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117573877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58786935 + 58786936.

It is an arithmetic number, because the mean of its divisors is an integer number (58786936).

Almost surely, 2^117573871 is an apocalyptic number.

117573871 is a deficient number, since it is larger than the sum of its proper divisors (1).

117573871 is an equidigital number, since it uses as much as digits as its factorization.

117573871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 40.

The square root of 117573871 is about 10843.1485740997. The cubic root of 117573871 is about 489.8956754161.

The spelling of 117573871 in words is "one hundred seventeen million, five hundred seventy-three thousand, eight hundred seventy-one".