213776853 has 16 divisors (see below), whose sum is σ = 302097600. Its totient is φ = 134003456.

The previous prime is 213776813. The next prime is 213776869. The reversal of 213776853 is 358677312.

It is a cyclic number.

It is not a de Polignac number, because 213776853 - 2¹⁰ = 213775829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213776813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100798 + ... + 102896.

It is an arithmetic number, because the mean of its divisors is an integer number (18881100).

Almost surely, 2^213776853 is an apocalyptic number.

It is an amenable number.

213776853 is a deficient number, since it is larger than the sum of its proper divisors (88320747).

213776853 is a wasteful number, since it uses less digits than its factorization.

213776853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its digits is 211680, while the sum is 42.

The square root of 213776853 is about 14621.1098415955. The cubic root of 213776853 is about 597.9344277344.

The spelling of 213776853 in words is "two hundred thirteen million, seven hundred seventy-six thousand, eight hundred fifty-three".