278027753052 has 96 divisors (see below), whose sum is σ = 772810812928. Its totient is φ = 76135935744.

The previous prime is 278027753051. The next prime is 278027753077. The reversal of 278027753052 is 250357720872.

It is a junction number, because it is equal to n+sod(n) for n = 278027752992 and 278027753010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278027753051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459343 + ... + 875814.

Almost surely, 2^278027753052 is an apocalyptic number.

It is an amenable number.

278027753052 is an abundant number, since it is smaller than the sum of its proper divisors (494783059876).

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

278027753052 is a wasteful number, since it uses less digits than its factorization.

278027753052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335275 (or 1335273 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 278027753052 in words is "two hundred seventy-eight billion, twenty-seven million, seven hundred fifty-three thousand, fifty-two".