117900075 has 24 divisors (see below), whose sum is σ = 195241968. Its totient is φ = 62778880.

The previous prime is 117900071. The next prime is 117900077. The reversal of 117900075 is 570009711.

It is not a de Polignac number, because 117900075 - 2² = 117900071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117900071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81559 + ... + 82991.

It is an arithmetic number, because the mean of its divisors is an integer number (8135082).

Almost surely, 2^117900075 is an apocalyptic number.

117900075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117900075 is a deficient number, since it is larger than the sum of its proper divisors (77341893).

117900075 is a wasteful number, since it uses less digits than its factorization.

117900075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 117900075 is about 10858.1800961303. The cubic root of 117900075 is about 490.3483223725.

Adding to 117900075 its reverse (570009711), we get a palindrome (687909786).

The spelling of 117900075 in words is "one hundred seventeen million, nine hundred thousand, seventy-five".