42775753016776 has 128 divisors (see below), whose sum is σ = 87301520732160. Its totient is φ = 19531638604800.

The previous prime is 42775753016729. The next prime is 42775753016809. The reversal of 42775753016776 is 67761035757724.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9224874330 + ... + 9224878966.

It is an arithmetic number, because the mean of its divisors is an integer number (682043130720).

Almost surely, 2^{42775753016776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42775753016776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43650760366080).

42775753016776 is an abundant number, since it is smaller than the sum of its proper divisors (44525767715384).

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

42775753016776 is a wasteful number, since it uses less digits than its factorization.

42775753016776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 363031200, while the sum is 67.

The spelling of 42775753016776 in words is "forty-two trillion, seven hundred seventy-five billion, seven hundred fifty-three million, sixteen thousand, seven hundred seventy-six".