42878330020065 has 8 divisors (see below), whose sum is σ = 68605328032128. Its totient is φ = 22868442677360.

The previous prime is 42878330020051. The next prime is 42878330020087. The reversal of 42878330020065 is 56002003387824.

It is a happy number.

42878330020065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42878330020065 - 2¹³ = 42878330011873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42878330019996 and 42878330020023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429277667321 + ... + 1429277667350.

It is an arithmetic number, because the mean of its divisors is an integer number (8575666004016).

Almost surely, 2^{42878330020065} is an apocalyptic number.

It is an amenable number.

42878330020065 is a deficient number, since it is larger than the sum of its proper divisors (25726998012063).

42878330020065 is a wasteful number, since it uses less digits than its factorization.

42878330020065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858555334679.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 42878330020065 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred thirty million, twenty thousand, sixty-five".