213296878 has 4 divisors (see below), whose sum is σ = 319945320. Its totient is φ = 106648438.

The previous prime is 213296873. The next prime is 213296891. The reversal of 213296878 is 878692312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213296873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53324218 + ... + 53324221.

It is an arithmetic number, because the mean of its divisors is an integer number (79986330).

Almost surely, 2^213296878 is an apocalyptic number.

213296878 is a deficient number, since it is larger than the sum of its proper divisors (106648442).

213296878 is a wasteful number, since it uses less digits than its factorization.

213296878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106648441.

The product of its digits is 290304, while the sum is 46.

The square root of 213296878 is about 14604.6868504600. The cubic root of 213296878 is about 597.4865952888.

The spelling of 213296878 in words is "two hundred thirteen million, two hundred ninety-six thousand, eight hundred seventy-eight".