117538767 has 6 divisors (see below), whose sum is σ = 169778232. Its totient is φ = 78359172.

The previous prime is 117538741. The next prime is 117538783. The reversal of 117538767 is 767835711.

It is not a de Polignac number, because 117538767 - 2⁸ = 117538511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117538787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6529923 + ... + 6529940.

It is an arithmetic number, because the mean of its divisors is an integer number (28296372).

Almost surely, 2^117538767 is an apocalyptic number.

117538767 is a deficient number, since it is larger than the sum of its proper divisors (52239465).

117538767 is a wasteful number, since it uses less digits than its factorization.

117538767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13059869 (or 13059866 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 117538767 is about 10841.5297352357. The cubic root of 117538767 is about 489.8469145549.

The spelling of 117538767 in words is "one hundred seventeen million, five hundred thirty-eight thousand, seven hundred sixty-seven".