42730807777 has 16 divisors (see below), whose sum is σ = 51517065600. Its totient is φ = 34623383040.

The previous prime is 42730807751. The next prime is 42730807787. The reversal of 42730807777 is 77770803724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42730807777 - 2⁷ = 42730807649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42730807787) 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 15 ways as a sum of consecutive naturals, for example, 287152 + ... + 409777.

It is an arithmetic number, because the mean of its divisors is an integer number (3219816600).

Almost surely, 2^42730807777 is an apocalyptic number.

It is an amenable number.

42730807777 is a deficient number, since it is larger than the sum of its proper divisors (8786257823).

42730807777 is a wasteful number, since it uses less digits than its factorization.

42730807777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697416.

The product of its (nonzero) digits is 3226944, while the sum is 52.

The spelling of 42730807777 in words is "forty-two billion, seven hundred thirty million, eight hundred seven thousand, seven hundred seventy-seven".