42836667786 has 96 divisors (see below), whose sum is σ = 105156792000. Its totient is φ = 12487875840.

The previous prime is 42836667743. The next prime is 42836667787. The reversal of 42836667786 is 68776663824.

It is not an unprimeable number, because it can be changed into a prime (42836667787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619165 + ... + 684863.

It is an arithmetic number, because the mean of its divisors is an integer number (1095383250).

Almost surely, 2^42836667786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42836667786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52578396000).

42836667786 is an abundant number, since it is smaller than the sum of its proper divisors (62320124214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42836667786 is a wasteful number, since it uses less digits than its factorization.

42836667786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65844 (or 65841 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 42836667786 in words is "forty-two billion, eight hundred thirty-six million, six hundred sixty-seven thousand, seven hundred eighty-six".