214504345678 has 16 divisors (see below), whose sum is σ = 372376442880. Its totient is φ = 90766757016.

The previous prime is 214504345673. The next prime is 214504345697. The reversal of 214504345678 is 876543405412.

It is a super-2 number, since 2×214504345678² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214504345673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96971926 + ... + 96974137.

It is an arithmetic number, because the mean of its divisors is an integer number (23273527680).

Almost surely, 2^214504345678 is an apocalyptic number.

214504345678 is a deficient number, since it is larger than the sum of its proper divisors (157872097202).

214504345678 is a wasteful number, since it uses less digits than its factorization.

214504345678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193946151.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 214504345678 in words is "two hundred fourteen billion, five hundred four million, three hundred forty-five thousand, six hundred seventy-eight".