823077 has 6 divisors (see below), whose sum is σ = 1188902. Its totient is φ = 548712.

The previous prime is 823051. The next prime is 823117. The reversal of 823077 is 770328.

823077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 181476 = 801^2 + 426^2 .

It is not a de Polignac number, because 823077 - 2⁶ = 823013 is a prime.

It is a Duffinian number.

823077 is a lucky number.

It is a nialpdrome in base 7.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 823077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45718 + ... + 45735.

2⁸²³⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

823077 is a deficient number, since it is larger than the sum of its proper divisors (365825).

823077 is a wasteful number, since it uses less digits than its factorization.

823077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91459 (or 91456 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 823077 is about 907.2359119876. The cubic root of 823077 is about 93.7159449642.

The spelling of 823077 in words is "eight hundred twenty-three thousand, seventy-seven".