878151 has 4 divisors (see below), whose sum is σ = 1170872. Its totient is φ = 585432.

The previous prime is 878147. The next prime is 878153. The reversal of 878151 is 151878.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 878151 - 2² = 878147 is a prime.

It is a super-2 number, since 2×878151² = 1542298357602, which contains 22 as substring.

It is a D-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 (878153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146356 + ... + 146361.

It is an arithmetic number, because the mean of its divisors is an integer number (292718).

2⁸⁷⁸¹⁵¹ is an apocalyptic number.

878151 is a deficient number, since it is larger than the sum of its proper divisors (292721).

878151 is a wasteful number, since it uses less digits than its factorization.

878151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292720.

The product of its digits is 2240, while the sum is 30.

The square root of 878151 is about 937.0971134306. The cubic root of 878151 is about 95.7612339029.

The spelling of 878151 in words is "eight hundred seventy-eight thousand, one hundred fifty-one".