213078108 has 12 divisors (see below), whose sum is σ = 497182280. Its totient is φ = 71026032.

The previous prime is 213078101. The next prime is 213078113. The reversal of 213078108 is 801870312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213078101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8878243 + ... + 8878266.

Almost surely, 2^213078108 is an apocalyptic number.

It is an amenable number.

213078108 is an abundant number, since it is smaller than the sum of its proper divisors (284104172).

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

213078108 is a wasteful number, since it uses less digits than its factorization.

213078108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756516 (or 17756514 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 213078108 is about 14597.1952100395. The cubic root of 213078108 is about 597.2822527813.

The spelling of 213078108 in words is "two hundred thirteen million, seventy-eight thousand, one hundred eight".