28696849550 has 24 divisors (see below), whose sum is σ = 53380801416. Its totient is φ = 11477737440.

The previous prime is 28696849543. The next prime is 28696849583. The reversal of 28696849550 is 5594869682.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869144 + ... + 901556.

It is an arithmetic number, because the mean of its divisors is an integer number (2224200059).

Almost surely, 2^28696849550 is an apocalyptic number.

28696849550 is a deficient number, since it is larger than the sum of its proper divisors (24683951866).

28696849550 is a wasteful number, since it uses less digits than its factorization.

28696849550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50132 (or 50127 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 28696849550 in words is "twenty-eight billion, six hundred ninety-six million, eight hundred forty-nine thousand, five hundred fifty".