868444496 has 10 divisors (see below), whose sum is σ = 1682611242. Its totient is φ = 434222240.

The previous prime is 868444487. The next prime is 868444537. The reversal of 868444496 is 694444868.

It can be written as a sum of positive squares in only one way, i.e., 434305600 + 434138896 = 20840^2 + 20836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27138875 + ... + 27138906.

Almost surely, 2^868444496 is an apocalyptic number.

It is an amenable number.

868444496 is a deficient number, since it is larger than the sum of its proper divisors (814166746).

868444496 is a wasteful number, since it uses less digits than its factorization.

868444496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54277789 (or 54277783 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 53.

The square root of 868444496 is about 29469.3823484647. The cubic root of 868444496 is about 954.0709864009.

The spelling of 868444496 in words is "eight hundred sixty-eight million, four hundred forty-four thousand, four hundred ninety-six".