885978 has 24 divisors (see below), whose sum is σ = 1991808. Its totient is φ = 295164.

The previous prime is 885977. The next prime is 885991. The reversal of 885978 is 879588.

885978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (885971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2⁸⁸⁵⁹⁷⁸ is an apocalyptic number.

885978 is an abundant number, since it is smaller than the sum of its proper divisors (1105830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

885978 is a wasteful number, since it uses less digits than its factorization.

885978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1828 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 885978 is about 941.2640437199. The cubic root of 885978 is about 96.0449008708.

The spelling of 885978 in words is "eight hundred eighty-five thousand, nine hundred seventy-eight".