28662828602 has 4 divisors (see below), whose sum is σ = 42994242906. Its totient is φ = 14331414300.

The previous prime is 28662828569. The next prime is 28662828617. The reversal of 28662828602 is 20682826682.

It is a Cunningham number, because it is equal to 169301²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28662828601 + 1 = 169301^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7165707149 + ... + 7165707152.

Almost surely, 2^28662828602 is an apocalyptic number.

28662828602 is a deficient number, since it is larger than the sum of its proper divisors (14331414304).

28662828602 is a wasteful number, since it uses less digits than its factorization.

28662828602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14331414303.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 28662828602 in words is "twenty-eight billion, six hundred sixty-two million, eight hundred twenty-eight thousand, six hundred two".