42878536860271 has 16 divisors (see below), whose sum is σ = 51583943980800. Its totient is φ = 34818160834368.

The previous prime is 42878536860259. The next prime is 42878536860277. The reversal of 42878536860271 is 17206863587824.

It is a cyclic number.

It is not a de Polignac number, because 42878536860271 - 2¹³ = 42878536852079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42878536860197 and 42878536860206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878536860277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7109691 + ... + 11674963.

It is an arithmetic number, because the mean of its divisors is an integer number (3223996498800).

Almost surely, 2^{42878536860271} is an apocalyptic number.

42878536860271 is a deficient number, since it is larger than the sum of its proper divisors (8705407120529).

42878536860271 is a wasteful number, since it uses less digits than its factorization.

42878536860271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635918.

The product of its (nonzero) digits is 216760320, while the sum is 67.

The spelling of 42878536860271 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-six million, eight hundred sixty thousand, two hundred seventy-one".