42883879 has 2 divisors, whose sum is σ = 42883880. Its totient is φ = 42883878.

The previous prime is 42883873. The next prime is 42883901. The reversal of 42883879 is 97838824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42883879 - 2⁷ = 42883751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42883873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21441939 + 21441940.

It is an arithmetic number, because the mean of its divisors is an integer number (21441940).

Almost surely, 2^42883879 is an apocalyptic number.

42883879 is a deficient number, since it is larger than the sum of its proper divisors (1).

42883879 is an equidigital number, since it uses as much as digits as its factorization.

42883879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 42883879 is about 6548.5783953466. The cubic root of 42883879 is about 350.0241588766.

The spelling of 42883879 in words is "forty-two million, eight hundred eighty-three thousand, eight hundred seventy-nine".