28962028688 has 10 divisors (see below), whose sum is σ = 56113930614. Its totient is φ = 14481014336.

The previous prime is 28962028679. The next prime is 28962028751. The reversal of 28962028688 is 88682026982.

It can be written as a sum of positive squares in only one way, i.e., 26358171904 + 2603856784 = 162352^2 + 51028^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905063381 + ... + 905063412.

Almost surely, 2^28962028688 is an apocalyptic number.

It is an amenable number.

28962028688 is a deficient number, since it is larger than the sum of its proper divisors (27151901926).

28962028688 is a wasteful number, since it uses less digits than its factorization.

28962028688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810126801 (or 1810126795 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 28962028688 in words is "twenty-eight billion, nine hundred sixty-two million, twenty-eight thousand, six hundred eighty-eight".