842661367 has 2 divisors, whose sum is σ = 842661368. Its totient is φ = 842661366.

The previous prime is 842661359. The next prime is 842661431. The reversal of 842661367 is 763166248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842661367 - 2³ = 842661359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842661667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421330683 + 421330684.

It is an arithmetic number, because the mean of its divisors is an integer number (421330684).

Almost surely, 2^842661367 is an apocalyptic number.

842661367 is a deficient number, since it is larger than the sum of its proper divisors (1).

842661367 is an equidigital number, since it uses as much as digits as its factorization.

842661367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 842661367 is about 29028.6301261358. The cubic root of 842661367 is about 944.5342149928.

The spelling of 842661367 in words is "eight hundred forty-two million, six hundred sixty-one thousand, three hundred sixty-seven".