878053 has 4 divisors (see below), whose sum is σ = 957888. Its totient is φ = 798220.

The previous prime is 878041. The next prime is 878077. The reversal of 878053 is 350878.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 878053 - 2⁵ = 878021 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878023) 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, 39901 + ... + 39922.

It is an arithmetic number, because the mean of its divisors is an integer number (239472).

2⁸⁷⁸⁰⁵³ is an apocalyptic number.

It is an amenable number.

878053 is a deficient number, since it is larger than the sum of its proper divisors (79835).

878053 is a wasteful number, since it uses less digits than its factorization.

878053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79834.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 878053 is about 937.0448228340. The cubic root of 878053 is about 95.7576715125.

The spelling of 878053 in words is "eight hundred seventy-eight thousand, fifty-three".