42878307876357 has 16 divisors (see below), whose sum is σ = 57311653974080. Its totient is φ = 28515252120192.

The previous prime is 42878307876343. The next prime is 42878307876379. The reversal of 42878307876357 is 75367870387824.

It is a happy number.

It is not a de Polignac number, because 42878307876357 - 2²⁰ = 42878306827781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878307876457) 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, 108068778 + ... + 108464820.

It is an arithmetic number, because the mean of its divisors is an integer number (3581978373380).

Almost surely, 2^{42878307876357} is an apocalyptic number.

It is an amenable number.

42878307876357 is a deficient number, since it is larger than the sum of its proper divisors (14433346097723).

42878307876357 is a wasteful number, since it uses less digits than its factorization.

42878307876357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484692.

The product of its (nonzero) digits is 2655313920, while the sum is 75.

The spelling of 42878307876357 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred seven million, eight hundred seventy-six thousand, three hundred fifty-seven".