28028028026952 has 24 divisors (see below), whose sum is σ = 75909242573190. Its totient is φ = 9342676008960.

The previous prime is 28028028026951. The next prime is 28028028026953. The reversal of 28028028026952 is 25962082082082.

28028028026952 is a `hidden beast` number, since 2 + 80 + 28 + 0 + 280 + 269 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (28028028026951) and next prime (28028028026953).

It can be written as a sum of positive squares in only one way, i.e., 21279639836196 + 6748388190756 = 4612986^2 + 2597766^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (28028028026951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194639083449 + ... + 194639083592.

Almost surely, 2^{28028028026952} is an apocalyptic number.

It is an amenable number.

28028028026952 is an abundant number, since it is smaller than the sum of its proper divisors (47881214546238).

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

28028028026952 is a wasteful number, since it uses less digits than its factorization.

28028028026952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389278167053 (or 389278167046 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 28028028026952 in words is "twenty-eight trillion, twenty-eight billion, twenty-eight million, twenty-six thousand, nine hundred fifty-two".