28546770088 has 16 divisors (see below), whose sum is σ = 54055147860. Its totient is φ = 14132064000.

The previous prime is 28546770079. The next prime is 28546770121. The reversal of 28546770088 is 88007764582.

It can be written as a sum of positive squares in 2 ways, for example, as 28425285604 + 121484484 = 168598^2 + 11022^2 .

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, 17664273 + ... + 17665888.

Almost surely, 2^28546770088 is an apocalyptic number.

It is an amenable number.

28546770088 is a deficient number, since it is larger than the sum of its proper divisors (25508377772).

28546770088 is a wasteful number, since it uses less digits than its factorization.

28546770088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35330268 (or 35330264 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 28546770088 in words is "twenty-eight billion, five hundred forty-six million, seven hundred seventy thousand, eighty-eight".