842797568 has 30 divisors (see below), whose sum is σ = 1685262579. Its totient is φ = 421070336.

The previous prime is 842797567. The next prime is 842797609. The reversal of 842797568 is 865797248.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 421398784 + 421398784 = 20528^2 + 20528^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20528.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842797567) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 656255 + ... + 657537.

Almost surely, 2^842797568 is an apocalyptic number.

It is an amenable number.

842797568 is a deficient number, since it is larger than the sum of its proper divisors (842465011).

842797568 is an frugal number, since it uses more digits than its factorization.

842797568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 1285 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The square root of 842797568 is about 29030.9760083949. The cubic root of 842797568 is about 944.5851012203.

The spelling of 842797568 in words is "eight hundred forty-two million, seven hundred ninety-seven thousand, five hundred sixty-eight".