42878535238013 has 16 divisors (see below), whose sum is σ = 45200248704000. Its totient is φ = 40563322076592.

The previous prime is 42878535237997. The next prime is 42878535238103. The reversal of 42878535238013 is 31083253587824.

It is a cyclic number.

It is not a de Polignac number, because 42878535238013 - 2⁴ = 42878535237997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878535298013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340191518 + ... + 340317536.

It is an arithmetic number, because the mean of its divisors is an integer number (2825015544000).

Almost surely, 2^{42878535238013} is an apocalyptic number.

It is an amenable number.

42878535238013 is a deficient number, since it is larger than the sum of its proper divisors (2321713465987).

42878535238013 is a wasteful number, since it uses less digits than its factorization.

42878535238013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151664.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 42878535238013 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred thirty-eight thousand, thirteen".