42577577 has 16 divisors (see below), whose sum is σ = 50983680. Its totient is φ = 34765632.

The previous prime is 42577567. The next prime is 42577607. The reversal of 42577577 is 77577524.

42577577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42577577 - 2⁸ = 42577321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42577517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59699 + ... + 60407.

It is an arithmetic number, because the mean of its divisors is an integer number (3186480).

Almost surely, 2^42577577 is an apocalyptic number.

It is an amenable number.

42577577 is a deficient number, since it is larger than the sum of its proper divisors (8406103).

42577577 is a wasteful number, since it uses less digits than its factorization.

42577577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its digits is 480200, while the sum is 44.

The square root of 42577577 is about 6525.1495768296. The cubic root of 42577577 is about 349.1888070697.

The spelling of 42577577 in words is "forty-two million, five hundred seventy-seven thousand, five hundred seventy-seven".