868265829 has 24 divisors (see below), whose sum is σ = 1301283360. Its totient is φ = 557215008.

The previous prime is 868265809. The next prime is 868265903. The reversal of 868265829 is 928562868.

It is not a de Polignac number, because 868265829 - 2¹⁹ = 867741541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868265809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85774 + ... + 95360.

It is an arithmetic number, because the mean of its divisors is an integer number (54220140).

Almost surely, 2^868265829 is an apocalyptic number.

It is an amenable number.

868265829 is a deficient number, since it is larger than the sum of its proper divisors (433017531).

868265829 is a wasteful number, since it uses less digits than its factorization.

868265829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969 (or 9966 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 868265829 is about 29466.3507920475. The cubic root of 868265829 is about 954.0055542047.

The spelling of 868265829 in words is "eight hundred sixty-eight million, two hundred sixty-five thousand, eight hundred twenty-nine".