117975993 has 24 divisors (see below), whose sum is σ = 166696320. Its totient is φ = 74199840.

The previous prime is 117975967. The next prime is 117976021. The reversal of 117975993 is 399579711.

It is not a de Polignac number, because 117975993 - 2¹⁷ = 117844921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117975293) 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 in 23 ways as a sum of consecutive naturals, for example, 124903 + ... + 125843.

It is an arithmetic number, because the mean of its divisors is an integer number (6945680).

Almost surely, 2^117975993 is an apocalyptic number.

It is an amenable number.

117975993 is a deficient number, since it is larger than the sum of its proper divisors (48720327).

117975993 is an equidigital number, since it uses as much as digits as its factorization.

117975993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1046 counting only the distinct ones).

The product of its digits is 535815, while the sum is 51.

The square root of 117975993 is about 10861.6754232485. The cubic root of 117975993 is about 490.4535478542.

The spelling of 117975993 in words is "one hundred seventeen million, nine hundred seventy-five thousand, nine hundred ninety-three".