278488060 has 24 divisors (see below), whose sum is σ = 586718496. Its totient is φ = 111034560.

The previous prime is 278488051. The next prime is 278488061. The reversal of 278488060 is 60884872.

278488060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 278487998 and 278488016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278488061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16167 + ... + 28606.

It is an arithmetic number, because the mean of its divisors is an integer number (24446604).

Almost surely, 2^278488060 is an apocalyptic number.

278488060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

278488060 is an abundant number, since it is smaller than the sum of its proper divisors (308230436).

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

278488060 is a wasteful number, since it uses less digits than its factorization.

278488060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45093 (or 45091 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 278488060 is about 16687.9615291982. The cubic root of 278488060 is about 653.0335990316.

The spelling of 278488060 in words is "two hundred seventy-eight million, four hundred eighty-eight thousand, sixty".