865429868 has 12 divisors (see below), whose sum is σ = 1549723560. Its totient is φ = 422651712.

The previous prime is 865429867. The next prime is 865429871. The reversal of 865429868 is 868924568.

It is not an unprimeable number, because it can be changed into a prime (865429867) 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, 2515613 + ... + 2515956.

It is an arithmetic number, because the mean of its divisors is an integer number (129143630).

Almost surely, 2^865429868 is an apocalyptic number.

It is an amenable number.

865429868 is a deficient number, since it is larger than the sum of its proper divisors (684293692).

865429868 is a wasteful number, since it uses less digits than its factorization.

865429868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031616 (or 5031614 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 56.

The square root of 865429868 is about 29418.1894072358. The cubic root of 865429868 is about 952.9657522467.

The spelling of 865429868 in words is "eight hundred sixty-five million, four hundred twenty-nine thousand, eight hundred sixty-eight".