28603862650 has 24 divisors (see below), whose sum is σ = 58039838784. Its totient is φ = 10401404400.

The previous prime is 28603862611. The next prime is 28603862659. The reversal of 28603862650 is 5626830682.

It is a self number, because there is not a number n which added to its sum of digits gives 28603862650.

It is not an unprimeable number, because it can be changed into a prime (28603862659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26002962 + ... + 26004061.

It is an arithmetic number, because the mean of its divisors is an integer number (2418326616).

Almost surely, 2^28603862650 is an apocalyptic number.

28603862650 is an abundant number, since it is smaller than the sum of its proper divisors (29435976134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28603862650 is a wasteful number, since it uses less digits than its factorization.

28603862650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52007046 (or 52007041 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 28603862650 in words is "twenty-eight billion, six hundred three million, eight hundred sixty-two thousand, six hundred fifty".