42396677 has 2 divisors, whose sum is σ = 42396678. Its totient is φ = 42396676.

The previous prime is 42396643. The next prime is 42396689. The reversal of 42396677 is 77669324.

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., 29658916 + 12737761 = 5446^2 + 3569^2 .

It is a cyclic number.

It is not a de Polignac number, because 42396677 - 2¹⁶ = 42331141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42396877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21198338 + 21198339.

It is an arithmetic number, because the mean of its divisors is an integer number (21198339).

Almost surely, 2^42396677 is an apocalyptic number.

It is an amenable number.

42396677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42396677 is an equidigital number, since it uses as much as digits as its factorization.

42396677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 42396677 is about 6511.2730706061. The cubic root of 42396677 is about 348.6935704317.

The spelling of 42396677 in words is "forty-two million, three hundred ninety-six thousand, six hundred seventy-seven".