117641567 has 2 divisors, whose sum is σ = 117641568. Its totient is φ = 117641566.

The previous prime is 117641549. The next prime is 117641633. The reversal of 117641567 is 765146711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117641567 - 2²⁰ = 116592991 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117641567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117641267) 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 as a sum of consecutive naturals, namely, 58820783 + 58820784.

It is an arithmetic number, because the mean of its divisors is an integer number (58820784).

Almost surely, 2^117641567 is an apocalyptic number.

117641567 is a deficient number, since it is larger than the sum of its proper divisors (1).

117641567 is an equidigital number, since it uses as much as digits as its factorization.

117641567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 117641567 is about 10846.2697274224. The cubic root of 117641567 is about 489.9896804713.

It can be divided in two parts, 11764 and 1567, that added together give a palindrome (13331).

The spelling of 117641567 in words is "one hundred seventeen million, six hundred forty-one thousand, five hundred sixty-seven".