28025275280028 has 48 divisors (see below), whose sum is σ = 70423757836320. Its totient is φ = 8623005963264.

The previous prime is 28025275279993. The next prime is 28025275280063. The reversal of 28025275280028 is 82008257252082.

It is an interprime number because it is at equal distance from previous prime (28025275279993) and next prime (28025275280063).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7201528 + ... + 10388096.

It is an arithmetic number, because the mean of its divisors is an integer number (1467161621590).

Almost surely, 2^{28025275280028} is an apocalyptic number.

It is an amenable number.

28025275280028 is an abundant number, since it is smaller than the sum of its proper divisors (42398482556292).

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

28025275280028 is a wasteful number, since it uses less digits than its factorization.

28025275280028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242966 (or 3242964 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 51.

The spelling of 28025275280028 in words is "twenty-eight trillion, twenty-five billion, two hundred seventy-five million, two hundred eighty thousand, twenty-eight".