117845562287 has 8 divisors (see below), whose sum is σ = 120724914240. Its totient is φ = 114966451840.

The previous prime is 117845562257. The next prime is 117845562299. The reversal of 117845562287 is 782265548711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117845562287 - 2¹⁴ = 117845545903 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 (117845562227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293914 + ... + 1381992.

It is an arithmetic number, because the mean of its divisors is an integer number (15090614280).

Almost surely, 2^117845562287 is an apocalyptic number.

117845562287 is a deficient number, since it is larger than the sum of its proper divisors (2879351953).

117845562287 is an equidigital number, since it uses as much as digits as its factorization.

117845562287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120753.

The product of its digits is 7526400, while the sum is 56.

The spelling of 117845562287 in words is "one hundred seventeen billion, eight hundred forty-five million, five hundred sixty-two thousand, two hundred eighty-seven".