868949896 has 32 divisors (see below), whose sum is σ = 1642861440. Its totient is φ = 430870528.

The previous prime is 868949869. The next prime is 868949897. The reversal of 868949896 is 698949868.

It is not an unprimeable number, because it can be changed into a prime (868949897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539925 + ... + 541531.

It is an arithmetic number, because the mean of its divisors is an integer number (51339420).

Almost surely, 2^868949896 is an apocalyptic number.

It is an amenable number.

868949896 is a deficient number, since it is larger than the sum of its proper divisors (773911544).

868949896 is a wasteful number, since it uses less digits than its factorization.

868949896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133 (or 2129 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 67.

The square root of 868949896 is about 29477.9561028237. The cubic root of 868949896 is about 954.2560275755.

It can be divided in two parts, 8689 and 49896, that added together give a palindrome (58585).

The spelling of 868949896 in words is "eight hundred sixty-eight million, nine hundred forty-nine thousand, eight hundred ninety-six".