117801567 has 64 divisors (see below), whose sum is σ = 198374400. Its totient is φ = 68584320.

The previous prime is 117801533. The next prime is 117801571. The reversal of 117801567 is 765108711.

It is a happy number.

117801567 is a `hidden beast` number, since 1 + 17 + 80 + 1 + 567 = 666.

It is not a de Polignac number, because 117801567 - 2¹⁸ = 117539423 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117801587) 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 63 ways as a sum of consecutive naturals, for example, 722628 + ... + 722790.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^117801567 is an apocalyptic number.

117801567 is a deficient number, since it is larger than the sum of its proper divisors (80572833).

117801567 is a wasteful number, since it uses less digits than its factorization.

117801567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 117801567 is about 10853.6430289558. The cubic root of 117801567 is about 490.2117188643.

The spelling of 117801567 in words is "one hundred seventeen million, eight hundred one thousand, five hundred sixty-seven".