42878516142331 has 8 divisors (see below), whose sum is σ = 42891495686144. Its totient is φ = 42865537170600.

The previous prime is 42878516142313. The next prime is 42878516142337. The reversal of 42878516142331 is 13324161587824.

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

It is a cyclic number.

It is not a de Polignac number, because 42878516142331 - 2⁹ = 42878516141819 is a prime.

It is a super-2 number, since 2×42878516142331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42878516142337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185867506 + ... + 186098056.

It is an arithmetic number, because the mean of its divisors is an integer number (5361436960768).

Almost surely, 2^{42878516142331} is an apocalyptic number.

42878516142331 is a deficient number, since it is larger than the sum of its proper divisors (12979543813).

42878516142331 is a wasteful number, since it uses less digits than its factorization.

42878516142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286041.

The product of its digits is 7741440, while the sum is 55.

The spelling of 42878516142331 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, one hundred forty-two thousand, three hundred thirty-one".