868745353 has 6 divisors (see below), whose sum is σ = 1010581386. Its totient is φ = 744638832.

The previous prime is 868745327. The next prime is 868745389. The reversal of 868745353 is 353547868.

It can be written as a sum of positive squares in only one way, i.e., 854509824 + 14235529 = 29232^2 + 3773^2 .

It is not a de Polignac number, because 868745353 - 2¹⁷ = 868614281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 17729497 = 868745353 / (8 + 6 + 8 + 7 + 4 + 5 + 3 + 5 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868745297 and 868745306.

It is not an unprimeable number, because it can be changed into a prime (868745753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8864700 + ... + 8864797.

It is an arithmetic number, because the mean of its divisors is an integer number (168430231).

Almost surely, 2^868745353 is an apocalyptic number.

It is an amenable number.

868745353 is a deficient number, since it is larger than the sum of its proper divisors (141836033).

868745353 is a wasteful number, since it uses less digits than its factorization.

868745353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729511 (or 17729504 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 868745353 is about 29474.4864755944. The cubic root of 868745353 is about 954.1811472675.

The spelling of 868745353 in words is "eight hundred sixty-eight million, seven hundred forty-five thousand, three hundred fifty-three".