842768163 has 12 divisors (see below), whose sum is σ = 1218988680. Its totient is φ = 561080736.

The previous prime is 842768153. The next prime is 842768219. The reversal of 842768163 is 361867248.

842768163 is a `hidden beast` number, since 8 + 427 + 68 + 163 = 666.

It is not a de Polignac number, because 842768163 - 2⁶ = 842768099 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (842768153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56706 + ... + 70007.

It is an arithmetic number, because the mean of its divisors is an integer number (101582390).

Almost surely, 2^842768163 is an apocalyptic number.

842768163 is a deficient number, since it is larger than the sum of its proper divisors (376220517).

842768163 is a wasteful number, since it uses less digits than its factorization.

842768163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127458 (or 127455 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 842768163 is about 29030.4695621686. The cubic root of 842768163 is about 944.5741156452.

The spelling of 842768163 in words is "eight hundred forty-two million, seven hundred sixty-eight thousand, one hundred sixty-three".