842077 has 2 divisors, whose sum is σ = 842078. Its totient is φ = 842076.

The previous prime is 842071. The next prime is 842081. The reversal of 842077 is 770248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 30276 = 901^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 842077 - 2¹⁵ = 809309 is a prime.

It is a super-3 number, since 3×842077³ = 1791334420983331599, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842071) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421038 + 421039.

It is an arithmetic number, because the mean of its divisors is an integer number (421039).

2⁸⁴²⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

842077 is a deficient number, since it is larger than the sum of its proper divisors (1).

842077 is an equidigital number, since it uses as much as digits as its factorization.

842077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 842077 is about 917.6475358219. The cubic root of 842077 is about 94.4315826648.

The spelling of 842077 in words is "eight hundred forty-two thousand, seventy-seven".