28646960632 has 16 divisors (see below), whose sum is σ = 54360197640. Its totient is φ = 14150907936.

The previous prime is 28646960609. The next prime is 28646960651. The reversal of 28646960632 is 23606964682.

It is a self number, because there is not a number n which added to its sum of digits gives 28646960632.

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, 21570843 + ... + 21572170.

Almost surely, 2^28646960632 is an apocalyptic number.

It is an amenable number.

28646960632 is a deficient number, since it is larger than the sum of its proper divisors (25713237008).

28646960632 is a wasteful number, since it uses less digits than its factorization.

28646960632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43143102 (or 43143098 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 28646960632 in words is "twenty-eight billion, six hundred forty-six million, nine hundred sixty thousand, six hundred thirty-two".