842600387 has 2 divisors, whose sum is σ = 842600388. Its totient is φ = 842600386.

The previous prime is 842600329. The next prime is 842600401. The reversal of 842600387 is 783006248.

842600387 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 is a cyclic number.

It is not a de Polignac number, because 842600387 - 2⁸ = 842600131 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842600387.

It is not a weakly prime, because it can be changed into another prime (842609387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421300193 + 421300194.

It is an arithmetic number, because the mean of its divisors is an integer number (421300194).

Almost surely, 2^842600387 is an apocalyptic number.

842600387 is a deficient number, since it is larger than the sum of its proper divisors (1).

842600387 is an equidigital number, since it uses as much as digits as its factorization.

842600387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 842600387 is about 29027.5797647685. The cubic root of 842600387 is about 944.5114304009.

The spelling of 842600387 in words is "eight hundred forty-two million, six hundred thousand, three hundred eighty-seven".