278013060 has 240 divisors, whose sum is σ = 964197696. Its totient is φ = 66624768.

The previous prime is 278013049. The next prime is 278013077. The reversal of 278013060 is 60310872.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 905427 + ... + 905733.

Almost surely, 2^278013060 is an apocalyptic number.

278013060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 278013060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482098848).

278013060 is an abundant number, since it is smaller than the sum of its proper divisors (686184636).

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

278013060 is a wasteful number, since it uses less digits than its factorization.

278013060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 278013060 is about 16673.7236393074. The cubic root of 278013060 is about 652.6621079586.

The spelling of 278013060 in words is "two hundred seventy-eight million, thirteen thousand, sixty".