213460908278 has 8 divisors (see below), whose sum is σ = 320193336360. Its totient is φ = 106729796160.

The previous prime is 213460908257. The next prime is 213460908301. The reversal of 213460908278 is 872809064312.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396533 + ... + 764303.

It is an arithmetic number, because the mean of its divisors is an integer number (40024167045).

Almost surely, 2^213460908278 is an apocalyptic number.

213460908278 is a deficient number, since it is larger than the sum of its proper divisors (106732428082).

213460908278 is a wasteful number, since it uses less digits than its factorization.

213460908278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657982.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 213460908278 in words is "two hundred thirteen billion, four hundred sixty million, nine hundred eight thousand, two hundred seventy-eight".