868734853 has 16 divisors (see below), whose sum is σ = 1047790720. Its totient is φ = 703619136.

The previous prime is 868734829. The next prime is 868734859. The reversal of 868734853 is 358437868.

It is a cyclic number.

It is not a de Polignac number, because 868734853 - 2⁹ = 868734341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868734853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868734859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44575 + ... + 61027.

It is an arithmetic number, because the mean of its divisors is an integer number (65486920).

Almost surely, 2^868734853 is an apocalyptic number.

It is an amenable number.

868734853 is a deficient number, since it is larger than the sum of its proper divisors (179055867).

868734853 is a wasteful number, since it uses less digits than its factorization.

868734853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876.

The product of its digits is 3870720, while the sum is 52.

The square root of 868734853 is about 29474.3083549046. The cubic root of 868734853 is about 954.1773030484.

The spelling of 868734853 in words is "eight hundred sixty-eight million, seven hundred thirty-four thousand, eight hundred fifty-three".