42338827 has 2 divisors, whose sum is σ = 42338828. Its totient is φ = 42338826.

The previous prime is 42338801. The next prime is 42338831. The reversal of 42338827 is 72883324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42338827 is a prime.

It is not a weakly prime, because it can be changed into another prime (42338887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21169413 + 21169414.

It is an arithmetic number, because the mean of its divisors is an integer number (21169414).

Almost surely, 2^42338827 is an apocalyptic number.

42338827 is a deficient number, since it is larger than the sum of its proper divisors (1).

42338827 is an equidigital number, since it uses as much as digits as its factorization.

42338827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 42338827 is about 6506.8292585560. The cubic root of 42338827 is about 348.5349015118.

The spelling of 42338827 in words is "forty-two million, three hundred thirty-eight thousand, eight hundred twenty-seven".