214245678788 has 6 divisors (see below), whose sum is σ = 374929937886. Its totient is φ = 107122839392.

The previous prime is 214245678767. The next prime is 214245678791. The reversal of 214245678788 is 887876542412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 209600983684 + 4644695104 = 457822^2 + 68152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 214245678788.

It is an unprimeable number.

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, 26780709845 + ... + 26780709852.

It is an arithmetic number, because the mean of its divisors is an integer number (62488322981).

Almost surely, 2^214245678788 is an apocalyptic number.

It is an amenable number.

214245678788 is a deficient number, since it is larger than the sum of its proper divisors (160684259098).

214245678788 is a wasteful number, since it uses less digits than its factorization.

214245678788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53561419701 (or 53561419699 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 62.

The spelling of 214245678788 in words is "two hundred fourteen billion, two hundred forty-five million, six hundred seventy-eight thousand, seven hundred eighty-eight".