968217853 has 4 divisors (see below), whose sum is σ = 968291740. Its totient is φ = 968143968.

The previous prime is 968217851. The next prime is 968217857. The reversal of 968217853 is 358712869.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 595457604 + 372760249 = 24402^2 + 19307^2 .

It is a cyclic number.

It is not a de Polignac number, because 968217853 - 2¹ = 968217851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 968217797 and 968217806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968217851) 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, 11400 + ... + 45457.

It is an arithmetic number, because the mean of its divisors is an integer number (242072935).

Almost surely, 2^968217853 is an apocalyptic number.

It is an amenable number.

968217853 is a deficient number, since it is larger than the sum of its proper divisors (73887).

968217853 is a wasteful number, since it uses less digits than its factorization.

968217853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73886.

The product of its digits is 725760, while the sum is 49.

The square root of 968217853 is about 31116.1992055585. The cubic root of 968217853 is about 989.2916924489.

The spelling of 968217853 in words is "nine hundred sixty-eight million, two hundred seventeen thousand, eight hundred fifty-three".