278883 has 20 divisors (see below), whose sum is σ = 455928. Its totient is φ = 168480.

The previous prime is 278881. The next prime is 278891. The reversal of 278883 is 388872.

It is not a de Polignac number, because 278883 - 2¹ = 278881 is a prime.

Its product of digits (21504) is a multiple of the sum of its prime factors (336).

278883 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 735 + ... + 1047.

2²⁷⁸⁸⁸³ is an apocalyptic number.

278883 is a deficient number, since it is larger than the sum of its proper divisors (177045).

278883 is a wasteful number, since it uses less digits than its factorization.

278883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 327 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 278883 is about 528.0937416785. The cubic root of 278883 is about 65.3342154770.

The spelling of 278883 in words is "two hundred seventy-eight thousand, eight hundred eighty-three".