42864607 has 2 divisors, whose sum is σ = 42864608. Its totient is φ = 42864606.

The previous prime is 42864541. The next prime is 42864631. The reversal of 42864607 is 70646824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42864607 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 (42864677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21432303 + 21432304.

It is an arithmetic number, because the mean of its divisors is an integer number (21432304).

Almost surely, 2^42864607 is an apocalyptic number.

42864607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42864607 is an equidigital number, since it uses as much as digits as its factorization.

42864607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 42864607 is about 6547.1067655874. The cubic root of 42864607 is about 349.9717174425.

The spelling of 42864607 in words is "forty-two million, eight hundred sixty-four thousand, six hundred seven".