42886357 has 2 divisors, whose sum is σ = 42886358. Its totient is φ = 42886356.

The previous prime is 42886339. The next prime is 42886373. The reversal of 42886357 is 75368824.

42886357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 1425636 = 6439^2 + 1194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42886357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42886397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21443178 + 21443179.

It is an arithmetic number, because the mean of its divisors is an integer number (21443179).

Almost surely, 2^42886357 is an apocalyptic number.

It is an amenable number.

42886357 is a deficient number, since it is larger than the sum of its proper divisors (1).

42886357 is an equidigital number, since it uses as much as digits as its factorization.

42886357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 42886357 is about 6548.7675939829. The cubic root of 42886357 is about 350.0309006731.

The spelling of 42886357 in words is "forty-two million, eight hundred eighty-six thousand, three hundred fifty-seven".