868455448 has 16 divisors (see below), whose sum is σ = 1860976080. Its totient is φ = 372195168.

The previous prime is 868455443. The next prime is 868455463. The reversal of 868455448 is 844554868.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 868455395 and 868455404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868455443) 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 3 ways as a sum of consecutive naturals, for example, 7754011 + ... + 7754122.

It is an arithmetic number, because the mean of its divisors is an integer number (116311005).

Almost surely, 2^868455448 is an apocalyptic number.

It is an amenable number.

868455448 is an abundant number, since it is smaller than the sum of its proper divisors (992520632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868455448 is a wasteful number, since it uses less digits than its factorization.

868455448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15508146 (or 15508142 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 52.

The square root of 868455448 is about 29469.5681678575. The cubic root of 868455448 is about 954.0749969975.

The spelling of 868455448 in words is "eight hundred sixty-eight million, four hundred fifty-five thousand, four hundred forty-eight".