42168876783 has 16 divisors (see below), whose sum is σ = 61383540096. Its totient is φ = 25537315040.

The previous prime is 42168876769. The next prime is 42168876787. The reversal of 42168876783 is 38767886124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42168876783 - 2⁴ = 42168876767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42168876787) 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, 445716 + ... + 531977.

It is an arithmetic number, because the mean of its divisors is an integer number (3836471256).

Almost surely, 2^42168876783 is an apocalyptic number.

42168876783 is a deficient number, since it is larger than the sum of its proper divisors (19214663313).

42168876783 is a wasteful number, since it uses less digits than its factorization.

42168876783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979014.

The product of its digits is 21676032, while the sum is 60.

The spelling of 42168876783 in words is "forty-two billion, one hundred sixty-eight million, eight hundred seventy-six thousand, seven hundred eighty-three".