42703578077 has 16 divisors (see below), whose sum is σ = 46087376112. Its totient is φ = 39420395520.

The previous prime is 42703578067. The next prime is 42703578091. The reversal of 42703578077 is 77087530724.

It can be written as a sum of positive squares in 8 ways, for example, as 12974576836 + 29729001241 = 113906^2 + 172421^2 .

It is a cyclic number.

It is not a de Polignac number, because 42703578077 - 2⁸ = 42703577821 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 (42703578007) 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, 307733 + ... + 424389.

It is an arithmetic number, because the mean of its divisors is an integer number (2880461007).

Almost surely, 2^42703578077 is an apocalyptic number.

It is an amenable number.

42703578077 is a deficient number, since it is larger than the sum of its proper divisors (3383798035).

42703578077 is a wasteful number, since it uses less digits than its factorization.

42703578077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117088.

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 42703578077 in words is "forty-two billion, seven hundred three million, five hundred seventy-eight thousand, seventy-seven".