42884671 has 2 divisors, whose sum is σ = 42884672. Its totient is φ = 42884670.

The previous prime is 42884663. The next prime is 42884683. The reversal of 42884671 is 17648824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42884671 - 2³ = 42884663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42884651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21442335 + 21442336.

It is an arithmetic number, because the mean of its divisors is an integer number (21442336).

Almost surely, 2^42884671 is an apocalyptic number.

42884671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42884671 is an equidigital number, since it uses as much as digits as its factorization.

42884671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 40.

The square root of 42884671 is about 6548.6388662072. The cubic root of 42884671 is about 350.0263136679.

The spelling of 42884671 in words is "forty-two million, eight hundred eighty-four thousand, six hundred seventy-one".