42803879 has 2 divisors, whose sum is σ = 42803880. Its totient is φ = 42803878.

The previous prime is 42803861. The next prime is 42803899. The reversal of 42803879 is 97830824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42803879 - 2¹⁶ = 42738343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42803809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21401939 + 21401940.

It is an arithmetic number, because the mean of its divisors is an integer number (21401940).

Almost surely, 2^42803879 is an apocalyptic number.

42803879 is a deficient number, since it is larger than the sum of its proper divisors (1).

42803879 is an equidigital number, since it uses as much as digits as its factorization.

42803879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 42803879 is about 6542.4673480270. The cubic root of 42803879 is about 349.8063663635.

The spelling of 42803879 in words is "forty-two million, eight hundred three thousand, eight hundred seventy-nine".