842352811 has 2 divisors, whose sum is σ = 842352812. Its totient is φ = 842352810.

The previous prime is 842352803. The next prime is 842352869. The reversal of 842352811 is 118253248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842352811 - 2³ = 842352803 is a prime.

It is not a weakly prime, because it can be changed into another prime (842352881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421176405 + 421176406.

It is an arithmetic number, because the mean of its divisors is an integer number (421176406).

Almost surely, 2^842352811 is an apocalyptic number.

842352811 is a deficient number, since it is larger than the sum of its proper divisors (1).

842352811 is an equidigital number, since it uses as much as digits as its factorization.

842352811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 842352811 is about 29023.3149553941. The cubic root of 842352811 is about 944.4189147112.

The spelling of 842352811 in words is "eight hundred forty-two million, three hundred fifty-two thousand, eight hundred eleven".