842848947 has 12 divisors (see below), whose sum is σ = 1218401184. Its totient is φ = 561459600.

The previous prime is 842848943. The next prime is 842848991. The reversal of 842848947 is 749848248.

It is not a de Polignac number, because 842848947 - 2² = 842848943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 842848893 and 842848902.

It is not an unprimeable number, because it can be changed into a prime (842848943) 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, 24283 + ... + 47700.

It is an arithmetic number, because the mean of its divisors is an integer number (101533432).

Almost surely, 2^842848947 is an apocalyptic number.

842848947 is a deficient number, since it is larger than the sum of its proper divisors (375552237).

842848947 is a wasteful number, since it uses less digits than its factorization.

842848947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73290 (or 73287 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The square root of 842848947 is about 29031.8608945414. The cubic root of 842848947 is about 944.6042955692.

It can be divided in two parts, 8428 and 48947, that added together give a palindrome (57375).

The spelling of 842848947 in words is "eight hundred forty-two million, eight hundred forty-eight thousand, nine hundred forty-seven".