42338677 has 4 divisors (see below), whose sum is σ = 42476896. Its totient is φ = 42200460.

The previous prime is 42338641. The next prime is 42338683. The reversal of 42338677 is 77683324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42338677 - 2¹⁹ = 41814389 is a prime.

It is a super-2 number, since 2×42338677² = 3585127140220658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42338077) 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, 68649 + ... + 69262.

It is an arithmetic number, because the mean of its divisors is an integer number (10619224).

Almost surely, 2^42338677 is an apocalyptic number.

It is an amenable number.

42338677 is a deficient number, since it is larger than the sum of its proper divisors (138219).

42338677 is a wasteful number, since it uses less digits than its factorization.

42338677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138218.

The product of its digits is 169344, while the sum is 40.

The square root of 42338677 is about 6506.8177321944. The cubic root of 42338677 is about 348.5344899094.

The spelling of 42338677 in words is "forty-two million, three hundred thirty-eight thousand, six hundred seventy-seven".