818098427 has 4 divisors (see below), whose sum is σ = 818161176. Its totient is φ = 818035680.

The previous prime is 818098399. The next prime is 818098471. The reversal of 818098427 is 724890818.

818098427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 818098427 - 2⁶ = 818098363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818098487) 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, 3653 + ... + 40614.

It is an arithmetic number, because the mean of its divisors is an integer number (204540294).

Almost surely, 2^818098427 is an apocalyptic number.

818098427 is a deficient number, since it is larger than the sum of its proper divisors (62749).

818098427 is a wasteful number, since it uses less digits than its factorization.

818098427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62748.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 818098427 is about 28602.4199500672. The cubic root of 818098427 is about 935.2660845832.

The spelling of 818098427 in words is "eight hundred eighteen million, ninety-eight thousand, four hundred twenty-seven".