28087677652 has 24 divisors (see below), whose sum is σ = 50103355680. Its totient is φ = 13773761760.

The previous prime is 28087677619. The next prime is 28087677679. The reversal of 28087677652 is 25677678082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81202 + ... + 250537.

It is an arithmetic number, because the mean of its divisors is an integer number (2087639820).

Almost surely, 2^28087677652 is an apocalyptic number.

It is an amenable number.

28087677652 is a deficient number, since it is larger than the sum of its proper divisors (22015678028).

28087677652 is a wasteful number, since it uses less digits than its factorization.

28087677652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332151 (or 332149 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 28087677652 in words is "twenty-eight billion, eighty-seven million, six hundred seventy-seven thousand, six hundred fifty-two".