805077 has 24 divisors (see below), whose sum is σ = 1432704. Its totient is φ = 424224.

The previous prime is 805073. The next prime is 805081. The reversal of 805077 is 770508.

It is an interprime number because it is at equal distance from previous prime (805073) and next prime (805081).

It is not a de Polignac number, because 805077 - 2² = 805073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805077.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805077.

It is not an unprimeable number, because it can be changed into a prime (805073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (59696).

2⁸⁰⁵⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

805077 is a deficient number, since it is larger than the sum of its proper divisors (627627).

805077 is a wasteful number, since it uses less digits than its factorization.

805077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 805077 is about 897.2608316426. The cubic root of 805077 is about 93.0277405972.

The spelling of 805077 in words is "eight hundred five thousand, seventy-seven".