818473867 has 2 divisors, whose sum is σ = 818473868. Its totient is φ = 818473866.

The previous prime is 818473861. The next prime is 818473879. The reversal of 818473867 is 768374818.

818473867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818473867 - 2²³ = 810085259 is a prime.

It is not a weakly prime, because it can be changed into another prime (818473861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409236933 + 409236934.

It is an arithmetic number, because the mean of its divisors is an integer number (409236934).

Almost surely, 2^818473867 is an apocalyptic number.

818473867 is a deficient number, since it is larger than the sum of its proper divisors (1).

818473867 is an equidigital number, since it uses as much as digits as its factorization.

818473867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 52.

The square root of 818473867 is about 28608.9822782985. The cubic root of 818473867 is about 935.4091328142.

The spelling of 818473867 in words is "eight hundred eighteen million, four hundred seventy-three thousand, eight hundred sixty-seven".