278376048 has 80 divisors (see below), whose sum is σ = 805305600. Its totient is φ = 92064960.

The previous prime is 278376041. The next prime is 278376067. The reversal of 278376048 is 840673872.

It is a happy number.

278376048 is a `hidden beast` number, since 2 + 7 + 8 + 37 + 604 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 278375994 and 278376012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278376041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54133 + ... + 59051.

It is an arithmetic number, because the mean of its divisors is an integer number (10066320).

Almost surely, 2^278376048 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 278376048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402652800).

278376048 is an abundant number, since it is smaller than the sum of its proper divisors (526929552).

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

278376048 is a wasteful number, since it uses less digits than its factorization.

278376048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 278376048 is about 16684.6051196904. The cubic root of 278376048 is about 652.9460340463.

The spelling of 278376048 in words is "two hundred seventy-eight million, three hundred seventy-six thousand, forty-eight".