42958079 has 2 divisors, whose sum is σ = 42958080. Its totient is φ = 42958078.

The previous prime is 42958063. The next prime is 42958087. The reversal of 42958079 is 97085924.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42958079 - 2⁴ = 42958063 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42958049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21479039 + 21479040.

It is an arithmetic number, because the mean of its divisors is an integer number (21479040).

Almost surely, 2^42958079 is an apocalyptic number.

42958079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42958079 is an equidigital number, since it uses as much as digits as its factorization.

42958079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 42958079 is about 6554.2412985791. The cubic root of 42958079 is about 350.2259194473.

The spelling of 42958079 in words is "forty-two million, nine hundred fifty-eight thousand, seventy-nine".