42888611 has 2 divisors, whose sum is σ = 42888612. Its totient is φ = 42888610.

The previous prime is 42888541. The next prime is 42888613. The reversal of 42888611 is 11688824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42888611 is a prime.

Together with 42888613, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2598248 and since 42888611 and 2598248 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42888613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21444305 + 21444306.

It is an arithmetic number, because the mean of its divisors is an integer number (21444306).

Almost surely, 2^42888611 is an apocalyptic number.

42888611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42888611 is an equidigital number, since it uses as much as digits as its factorization.

42888611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 38.

The square root of 42888611 is about 6548.9396851704. The cubic root of 42888611 is about 350.0370328162.

The spelling of 42888611 in words is "forty-two million, eight hundred eighty-eight thousand, six hundred eleven".