28052755278 has 16 divisors (see below), whose sum is σ = 56117650176. Its totient is φ = 9348895160.

The previous prime is 28052755163. The next prime is 28052755279. The reversal of 28052755278 is 87255725082.

It is a happy number.

28052755278 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 28052755278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28052755279) 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, 475638 + ... + 531353.

It is an arithmetic number, because the mean of its divisors is an integer number (3507353136).

Almost surely, 2^28052755278 is an apocalyptic number.

28052755278 is an abundant number, since it is smaller than the sum of its proper divisors (28064894898).

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

28052755278 is a wasteful number, since it uses less digits than its factorization.

28052755278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011639.

The product of its (nonzero) digits is 3136000, while the sum is 51.

The spelling of 28052755278 in words is "twenty-eight billion, fifty-two million, seven hundred fifty-five thousand, two hundred seventy-eight".