868533507 has 6 divisors (see below), whose sum is σ = 1254548412. Its totient is φ = 579022332.

The previous prime is 868533469. The next prime is 868533517. The reversal of 868533507 is 705335868.

868533507 is a `hidden beast` number, since 8 + 68 + 533 + 50 + 7 = 666.

It is not a de Polignac number, because 868533507 - 2⁸ = 868533251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868533517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48251853 + ... + 48251870.

It is an arithmetic number, because the mean of its divisors is an integer number (209091402).

Almost surely, 2^868533507 is an apocalyptic number.

868533507 is a deficient number, since it is larger than the sum of its proper divisors (386014905).

868533507 is a wasteful number, since it uses less digits than its factorization.

868533507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96503729 (or 96503726 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 868533507 is about 29470.8925382317. The cubic root of 868533507 is about 954.1035810426.

The spelling of 868533507 in words is "eight hundred sixty-eight million, five hundred thirty-three thousand, five hundred seven".