42677766 has 20 divisors (see below), whose sum is σ = 95630172. Its totient is φ = 14225868.

The previous prime is 42677759. The next prime is 42677777. The reversal of 42677766 is 66777624.

It is a congruent number.

It is an unprimeable number.

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 in 9 ways as a sum of consecutive naturals, for example, 131560 + ... + 131883.

Almost surely, 2^42677766 is an apocalyptic number.

42677766 is an abundant number, since it is smaller than the sum of its proper divisors (52952406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42677766 is a wasteful number, since it uses less digits than its factorization.

42677766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263457 (or 263448 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 42677766 is about 6532.8222078976. The cubic root of 42677766 is about 349.4624837698.

The spelling of 42677766 in words is "forty-two million, six hundred seventy-seven thousand, seven hundred sixty-six".