213468678 has 12 divisors (see below), whose sum is σ = 462515508. Its totient is φ = 71156220.

The previous prime is 213468653. The next prime is 213468691. The reversal of 213468678 is 876864312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5929668 + ... + 5929703.

It is an arithmetic number, because the mean of its divisors is an integer number (38542959).

Almost surely, 2^213468678 is an apocalyptic number.

213468678 is an abundant number, since it is smaller than the sum of its proper divisors (249046830).

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

213468678 is a wasteful number, since it uses less digits than its factorization.

213468678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11859379 (or 11859376 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 213468678 is about 14610.5673401138. The cubic root of 213468678 is about 597.6469674596.

The spelling of 213468678 in words is "two hundred thirteen million, four hundred sixty-eight thousand, six hundred seventy-eight".