213868880804 has 12 divisors (see below), whose sum is σ = 376749155328. Its totient is φ = 106226265000.

The previous prime is 213868880801. The next prime is 213868880833. The reversal of 213868880804 is 408088868312.

It is a happy number.

It is a super-3 number, since 3×213868880804³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213868880804.

It is not an unprimeable number, because it can be changed into a prime (213868880801) 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 in 3 ways as a sum of consecutive naturals, for example, 177043172 + ... + 177044379.

It is an arithmetic number, because the mean of its divisors is an integer number (31395762944).

Almost surely, 2^213868880804 is an apocalyptic number.

It is an amenable number.

213868880804 is a deficient number, since it is larger than the sum of its proper divisors (162880274524).

213868880804 is a wasteful number, since it uses less digits than its factorization.

213868880804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354087706 (or 354087704 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 213868880804 in words is "two hundred thirteen billion, eight hundred sixty-eight million, eight hundred eighty thousand, eight hundred four".