28903926950 has 48 divisors (see below), whose sum is σ = 54479164896. Its totient is φ = 11408006400.

The previous prime is 28903926941. The next prime is 28903926979. The reversal of 28903926950 is 5962930982.

It is a junction number, because it is equal to n+sod(n) for n = 28903926892 and 28903926901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1437164 + ... + 1457136.

It is an arithmetic number, because the mean of its divisors is an integer number (1134982602).

Almost surely, 2^28903926950 is an apocalyptic number.

28903926950 is a deficient number, since it is larger than the sum of its proper divisors (25575237946).

28903926950 is a wasteful number, since it uses less digits than its factorization.

28903926950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20369 (or 20364 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 28903926950 in words is "twenty-eight billion, nine hundred three million, nine hundred twenty-six thousand, nine hundred fifty".