842352802947 has 16 divisors (see below), whose sum is σ = 1248073751680. Its totient is φ = 561503882376.

The previous prime is 842352802937. The next prime is 842352803009. The reversal of 842352802947 is 749208253248.

842352802947 is a `hidden beast` number, since 8 + 4 + 23 + 528 + 0 + 2 + 94 + 7 = 666.

It is not a de Polignac number, because 842352802947 - 2²³ = 842344414339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842352802893 and 842352802902.

It is not an unprimeable number, because it can be changed into a prime (842352802937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556473 + ... + 2026650.

It is an arithmetic number, because the mean of its divisors is an integer number (78004609480).

Almost surely, 2^842352802947 is an apocalyptic number.

842352802947 is a deficient number, since it is larger than the sum of its proper divisors (405720948733).

842352802947 is a wasteful number, since it uses less digits than its factorization.

842352802947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591839 (or 3591833 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 842352802947 in words is "eight hundred forty-two billion, three hundred fifty-two million, eight hundred two thousand, nine hundred forty-seven".