42277688 has 16 divisors (see below), whose sum is σ = 79371360. Its totient is φ = 21112000.

The previous prime is 42277681. The next prime is 42277699. The reversal of 42277688 is 88677224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42277681) 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 in 3 ways as a sum of consecutive naturals, for example, 4388 + ... + 10188.

It is an arithmetic number, because the mean of its divisors is an integer number (4960710).

Almost surely, 2^42277688 is an apocalyptic number.

It is an amenable number.

42277688 is a deficient number, since it is larger than the sum of its proper divisors (37093672).

42277688 is a wasteful number, since it uses less digits than its factorization.

42277688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718 (or 6714 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 42277688 is about 6502.1294973262. The cubic root of 42277688 is about 348.3670544697.

The spelling of 42277688 in words is "forty-two million, two hundred seventy-seven thousand, six hundred eighty-eight".