42877667 has 4 divisors (see below), whose sum is σ = 49003056. Its totient is φ = 36752280.

The previous prime is 42877649. The next prime is 42877669. The reversal of 42877667 is 76677824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42877667 - 2⁶ = 42877603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42877669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062684 + ... + 3062697.

It is an arithmetic number, because the mean of its divisors is an integer number (12250764).

Almost surely, 2^42877667 is an apocalyptic number.

42877667 is a deficient number, since it is larger than the sum of its proper divisors (6125389).

42877667 is an equidigital number, since it uses as much as digits as its factorization.

42877667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125388.

The product of its digits is 790272, while the sum is 47.

The square root of 42877667 is about 6548.1040767538. The cubic root of 42877667 is about 350.0072569924.

The spelling of 42877667 in words is "forty-two million, eight hundred seventy-seven thousand, six hundred sixty-seven".