42878328882346 has 8 divisors (see below), whose sum is σ = 68100875283780. Its totient is φ = 20178037121088.

The previous prime is 42878328882343. The next prime is 42878328882371. The reversal of 42878328882346 is 64328882387824.

It can be written as a sum of positive squares in 2 ways, for example, as 40604792651721 + 2273536230625 = 6372189^2 + 1507825^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42878328882343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630563660001 + ... + 630563660068.

Almost surely, 2^{42878328882346} is an apocalyptic number.

42878328882346 is a deficient number, since it is larger than the sum of its proper divisors (25222546401434).

42878328882346 is a wasteful number, since it uses less digits than its factorization.

42878328882346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261127320088.

The product of its digits is 1585446912, while the sum is 73.

The spelling of 42878328882346 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred twenty-eight million, eight hundred eighty-two thousand, three hundred forty-six".