42878535064277 has 32 divisors (see below), whose sum is σ = 50516697651840. Its totient is φ = 35972999424000.

The previous prime is 42878535064271. The next prime is 42878535064297. The reversal of 42878535064277 is 77246053587824.

It is a cyclic number.

It is not a de Polignac number, because 42878535064277 - 2¹⁰ = 42878535063253 is a prime.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878535064271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1764077 + ... + 9427037.

It is an arithmetic number, because the mean of its divisors is an integer number (1578646801620).

Almost surely, 2^{42878535064277} is an apocalyptic number.

It is an amenable number.

42878535064277 is a deficient number, since it is larger than the sum of its proper divisors (7638162587563).

42878535064277 is a wasteful number, since it uses less digits than its factorization.

42878535064277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663685.

The product of its (nonzero) digits is 632217600, while the sum is 68.

The spelling of 42878535064277 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, sixty-four thousand, two hundred seventy-seven".