42867697 has 2 divisors, whose sum is σ = 42867698. Its totient is φ = 42867696.

The previous prime is 42867683. The next prime is 42867701. The reversal of 42867697 is 79676824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32729841 + 10137856 = 5721^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 42867697 - 2⁷ = 42867569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42867697.

It is not a weakly prime, because it can be changed into another prime (42867677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21433848 + 21433849.

It is an arithmetic number, because the mean of its divisors is an integer number (21433849).

Almost surely, 2^42867697 is an apocalyptic number.

It is an amenable number.

42867697 is a deficient number, since it is larger than the sum of its proper divisors (1).

42867697 is an equidigital number, since it uses as much as digits as its factorization.

42867697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 42867697 is about 6547.3427434342. The cubic root of 42867697 is about 349.9801267628.

The spelling of 42867697 in words is "forty-two million, eight hundred sixty-seven thousand, six hundred ninety-seven".