42606677 has 2 divisors, whose sum is σ = 42606678. Its totient is φ = 42606676.

The previous prime is 42606659. The next prime is 42606691. The reversal of 42606677 is 77660624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 3243601 = 6274^2 + 1801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42606677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42606677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42605677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21303338 + 21303339.

It is an arithmetic number, because the mean of its divisors is an integer number (21303339).

Almost surely, 2^42606677 is an apocalyptic number.

It is an amenable number.

42606677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42606677 is an equidigital number, since it uses as much as digits as its factorization.

42606677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 42606677 is about 6527.3790299017. The cubic root of 42606677 is about 349.2683409537.

The spelling of 42606677 in words is "forty-two million, six hundred six thousand, six hundred seventy-seven".