117507775 has 24 divisors (see below), whose sum is σ = 181666944. Its totient is φ = 73250400.

The previous prime is 117507773. The next prime is 117507787. The reversal of 117507775 is 577705711.

It is not a de Polignac number, because 117507775 - 2¹ = 117507773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117507773) 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, 28597 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (7569456).

Almost surely, 2^117507775 is an apocalyptic number.

117507775 is a deficient number, since it is larger than the sum of its proper divisors (64159169).

117507775 is a wasteful number, since it uses less digits than its factorization.

117507775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61071 (or 61066 counting only the distinct ones).

The product of its (nonzero) digits is 60025, while the sum is 40.

The square root of 117507775 is about 10840.1003224140. The cubic root of 117507775 is about 489.8038573564.

The spelling of 117507775 in words is "one hundred seventeen million, five hundred seven thousand, seven hundred seventy-five".