818349078 has 16 divisors (see below), whose sum is σ = 1641162240. Its totient is φ = 272039016.

The previous prime is 818349073. The next prime is 818349089. The reversal of 818349078 is 870943818.

It is a super-3 number, since 3×818349078³ (a number of 28 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818349073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183618 + ... + 188021.

It is an arithmetic number, because the mean of its divisors is an integer number (102572640).

Almost surely, 2^818349078 is an apocalyptic number.

818349078 is an abundant number, since it is smaller than the sum of its proper divisors (822813162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818349078 is a wasteful number, since it uses less digits than its factorization.

818349078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372011.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 818349078 is about 28606.8012542472. The cubic root of 818349078 is about 935.3615912014.

The spelling of 818349078 in words is "eight hundred eighteen million, three hundred forty-nine thousand, seventy-eight".