117543801 has 4 divisors (see below), whose sum is σ = 156725072. Its totient is φ = 78362532.

The previous prime is 117543787. The next prime is 117543817. The reversal of 117543801 is 108345711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117543801 - 2¹⁵ = 117511033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117543001) 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 3 ways as a sum of consecutive naturals, for example, 19590631 + ... + 19590636.

It is an arithmetic number, because the mean of its divisors is an integer number (39181268).

Almost surely, 2^117543801 is an apocalyptic number.

It is an amenable number.

117543801 is a deficient number, since it is larger than the sum of its proper divisors (39181271).

117543801 is an equidigital number, since it uses as much as digits as its factorization.

117543801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39181270.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 117543801 is about 10841.7618955592. The cubic root of 117543801 is about 489.8539075787.

The spelling of 117543801 in words is "one hundred seventeen million, five hundred forty-three thousand, eight hundred one".