28076885652 has 12 divisors (see below), whose sum is σ = 65512733216. Its totient is φ = 9358961880.

The previous prime is 28076885633. The next prime is 28076885689. The reversal of 28076885652 is 25658867082.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 28076885592 and 28076885601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169870224 + ... + 1169870247.

Almost surely, 2^28076885652 is an apocalyptic number.

It is an amenable number.

28076885652 is an abundant number, since it is smaller than the sum of its proper divisors (37435847564).

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

28076885652 is a wasteful number, since it uses less digits than its factorization.

28076885652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339740478 (or 2339740476 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 28076885652 in words is "twenty-eight billion, seventy-six million, eight hundred eighty-five thousand, six hundred fifty-two".