278882048 has 18 divisors (see below), whose sum is σ = 556675224. Its totient is φ = 139440896.

The previous prime is 278882039. The next prime is 278882053. The reversal of 278882048 is 840288872.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 278881993 and 278882011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544436 + ... + 544947.

Almost surely, 2^278882048 is an apocalyptic number.

It is an amenable number.

278882048 is a deficient number, since it is larger than the sum of its proper divisors (277793176).

278882048 is an equidigital number, since it uses as much as digits as its factorization.

278882048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089399 (or 1089385 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 47.

The square root of 278882048 is about 16699.7619144705. The cubic root of 278882048 is about 653.3414113491.

The spelling of 278882048 in words is "two hundred seventy-eight million, eight hundred eighty-two thousand, forty-eight".