842063378 has 8 divisors (see below), whose sum is σ = 1360256268. Its totient is φ = 388644624.

The previous prime is 842063359. The next prime is 842063381. The reversal of 842063378 is 873360248.

It can be written as a sum of positive squares in 2 ways, for example, as 731540209 + 110523169 = 27047^2 + 10513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 in 3 ways as a sum of consecutive naturals, for example, 16193501 + ... + 16193552.

Almost surely, 2^842063378 is an apocalyptic number.

842063378 is a deficient number, since it is larger than the sum of its proper divisors (518192890).

842063378 is a wasteful number, since it uses less digits than its factorization.

842063378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32387068.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 842063378 is about 29018.3283116033. The cubic root of 842063378 is about 944.3107346590.

The spelling of 842063378 in words is "eight hundred forty-two million, sixty-three thousand, three hundred seventy-eight".