805078 has 8 divisors (see below), whose sum is σ = 1227600. Its totient is φ = 395880.

The previous prime is 805073. The next prime is 805081. The reversal of 805078 is 870508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3178 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (153450).

2⁸⁰⁵⁰⁷⁸ is an apocalyptic number.

805078 is a deficient number, since it is larger than the sum of its proper divisors (422522).

805078 is a wasteful number, since it uses less digits than its factorization.

805078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 805078 is about 897.2613888940. The cubic root of 805078 is about 93.0277791144.

It can be divided in two parts, 8050 and 78, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 805078 in words is "eight hundred five thousand, seventy-eight".