214353547678 has 4 divisors (see below), whose sum is σ = 321530321520. Its totient is φ = 107176773838.

The previous prime is 214353547663. The next prime is 214353547679. The reversal of 214353547678 is 876745353412.

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 (214353547679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53588386918 + ... + 53588386921.

It is an arithmetic number, because the mean of its divisors is an integer number (80382580380).

Almost surely, 2^214353547678 is an apocalyptic number.

214353547678 is a deficient number, since it is larger than the sum of its proper divisors (107176773842).

214353547678 is a wasteful number, since it uses less digits than its factorization.

214353547678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107176773841.

The product of its digits is 16934400, while the sum is 55.

The spelling of 214353547678 in words is "two hundred fourteen billion, three hundred fifty-three million, five hundred forty-seven thousand, six hundred seventy-eight".