818023407 has 16 divisors (see below), whose sum is σ = 1108380000. Its totient is φ = 536573952.

The previous prime is 818023399. The next prime is 818023411. The reversal of 818023407 is 704320818.

818023407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 818023407 - 2³ = 818023399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818023007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42219 + ... + 58467.

It is an arithmetic number, because the mean of its divisors is an integer number (69273750).

Almost surely, 2^818023407 is an apocalyptic number.

818023407 is a deficient number, since it is larger than the sum of its proper divisors (290356593).

818023407 is a wasteful number, since it uses less digits than its factorization.

818023407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 818023407 is about 28601.1084925043. The cubic root of 818023407 is about 935.2374956001.

The spelling of 818023407 in words is "eight hundred eighteen million, twenty-three thousand, four hundred seven".