842863768 has 8 divisors (see below), whose sum is σ = 1580369580. Its totient is φ = 421431880.

The previous prime is 842863759. The next prime is 842863771. The reversal of 842863768 is 867368248.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×842863768³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52678978 + ... + 52678993.

Almost surely, 2^842863768 is an apocalyptic number.

It is an amenable number.

842863768 is a deficient number, since it is larger than the sum of its proper divisors (737505812).

842863768 is a wasteful number, since it uses less digits than its factorization.

842863768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105357977 (or 105357973 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The square root of 842863768 is about 29032.1161474668. The cubic root of 842863768 is about 944.6098323059.

The spelling of 842863768 in words is "eight hundred forty-two million, eight hundred sixty-three thousand, seven hundred sixty-eight".