214778885474 has 8 divisors (see below), whose sum is σ = 322171819200. Its totient is φ = 107388279076.

The previous prime is 214778885471. The next prime is 214778885507. The reversal of 214778885474 is 474588877412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×214778885474² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214778885474.

It is not an unprimeable number, because it can be changed into a prime (214778885471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329174 + ... + 733425.

It is an arithmetic number, because the mean of its divisors is an integer number (40271477400).

Almost surely, 2^214778885474 is an apocalyptic number.

214778885474 is a deficient number, since it is larger than the sum of its proper divisors (107392933726).

214778885474 is a wasteful number, since it uses less digits than its factorization.

214778885474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163664.

The product of its digits is 112394240, while the sum is 65.

The spelling of 214778885474 in words is "two hundred fourteen billion, seven hundred seventy-eight million, eight hundred eighty-five thousand, four hundred seventy-four".