213105467878 has 8 divisors (see below), whose sum is σ = 319660511760. Its totient is φ = 106551963960.

The previous prime is 213105467867. The next prime is 213105467929. The reversal of 213105467878 is 878764501312.

213105467878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67188 + ... + 656296.

It is an arithmetic number, because the mean of its divisors is an integer number (39957563970).

Almost surely, 2^213105467878 is an apocalyptic number.

213105467878 is a deficient number, since it is larger than the sum of its proper divisors (106555043882).

213105467878 is a wasteful number, since it uses less digits than its factorization.

213105467878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769982.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 213105467878 in words is "two hundred thirteen billion, one hundred five million, four hundred sixty-seven thousand, eight hundred seventy-eight".