42879467 has 2 divisors, whose sum is σ = 42879468. Its totient is φ = 42879466.

The previous prime is 42879461. The next prime is 42879497. The reversal of 42879467 is 76497824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42879467 - 2⁴ = 42879451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42879461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21439733 + 21439734.

It is an arithmetic number, because the mean of its divisors is an integer number (21439734).

Almost surely, 2^42879467 is an apocalyptic number.

42879467 is a deficient number, since it is larger than the sum of its proper divisors (1).

42879467 is an equidigital number, since it uses as much as digits as its factorization.

42879467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 42879467 is about 6548.2415196753. The cubic root of 42879467 is about 350.0121546799.

The spelling of 42879467 in words is "forty-two million, eight hundred seventy-nine thousand, four hundred sixty-seven".