878157 has 24 divisors (see below), whose sum is σ = 1482624. Its totient is φ = 490464.

The previous prime is 878153. The next prime is 878159. The reversal of 878157 is 751878.

It is not a de Polignac number, because 878157 - 2² = 878153 is a prime.

878157 is a lucky 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 23 ways as a sum of consecutive naturals, for example, 3208 + ... + 3470.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2⁸⁷⁸¹⁵⁷ is an apocalyptic number.

It is an amenable number.

878157 is a deficient number, since it is larger than the sum of its proper divisors (604467).

878157 is a wasteful number, since it uses less digits than its factorization.

878157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 326 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 878157 is about 937.1003148009. The cubic root of 878157 is about 95.7614519999.

It can be divided in two parts, 878 and 157, that added together give a triangular number (1035 = T₄₅).

The spelling of 878157 in words is "eight hundred seventy-eight thousand, one hundred fifty-seven".