42146677 has 2 divisors, whose sum is σ = 42146678. Its totient is φ = 42146676.

The previous prime is 42146659. The next prime is 42146681. The reversal of 42146677 is 77664124.

42146677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27447121 + 14699556 = 5239^2 + 3834^2 .

It is a cyclic number.

It is not a de Polignac number, because 42146677 - 2⁷ = 42146549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42146977) 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 as a sum of consecutive naturals, namely, 21073338 + 21073339.

It is an arithmetic number, because the mean of its divisors is an integer number (21073339).

Almost surely, 2^42146677 is an apocalyptic number.

It is an amenable number.

42146677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42146677 is an equidigital number, since it uses as much as digits as its factorization.

42146677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 42146677 is about 6492.0472117815. The cubic root of 42146677 is about 348.0068397167.

The spelling of 42146677 in words is "forty-two million, one hundred forty-six thousand, six hundred seventy-seven".