118278463 has 4 divisors (see below), whose sum is σ = 118519848. Its totient is φ = 118037080.

The previous prime is 118278449. The next prime is 118278467. The reversal of 118278463 is 364872811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118278463 - 2⁵ = 118278431 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118278467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119956 + ... + 120937.

It is an arithmetic number, because the mean of its divisors is an integer number (29629962).

Almost surely, 2^118278463 is an apocalyptic number.

118278463 is a deficient number, since it is larger than the sum of its proper divisors (241385).

118278463 is an equidigital number, since it uses as much as digits as its factorization.

118278463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241384.

The product of its digits is 64512, while the sum is 40.

The square root of 118278463 is about 10875.5902368561. The cubic root of 118278463 is about 490.8723361236.

The spelling of 118278463 in words is "one hundred eighteen million, two hundred seventy-eight thousand, four hundred sixty-three".