842800867 has 2 divisors, whose sum is σ = 842800868. Its totient is φ = 842800866.

The previous prime is 842800853. The next prime is 842800919. The reversal of 842800867 is 768008248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842800867 - 2¹¹ = 842798819 is a prime.

It is a super-3 number, since 3×842800867³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (842800967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421400433 + 421400434.

It is an arithmetic number, because the mean of its divisors is an integer number (421400434).

Almost surely, 2^842800867 is an apocalyptic number.

842800867 is a deficient number, since it is larger than the sum of its proper divisors (1).

842800867 is an equidigital number, since it uses as much as digits as its factorization.

842800867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 842800867 is about 29031.0328269595. The cubic root of 842800867 is about 944.5863336958.

The spelling of 842800867 in words is "eight hundred forty-two million, eight hundred thousand, eight hundred sixty-seven".