278254848 has 72 divisors (see below), whose sum is σ = 779581600. Its totient is φ = 87865344.

The previous prime is 278254831. The next prime is 278254871. The reversal of 278254848 is 848452872.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 278254797 and 278254806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 24126.

Almost surely, 2^278254848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 278254848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389790800).

278254848 is an abundant number, since it is smaller than the sum of its proper divisors (501326752).

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

278254848 is a wasteful number, since it uses less digits than its factorization.

278254848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19107 (or 19093 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 48.

The square root of 278254848 is about 16680.9726335127. The cubic root of 278254848 is about 652.8512599118.

It can be divided in two parts, 2782 and 54848, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 278254848 in words is "two hundred seventy-eight million, two hundred fifty-four thousand, eight hundred forty-eight".