28930901916 has 48 divisors (see below), whose sum is σ = 79234190336. Its totient is φ = 8042566464.

The previous prime is 28930901911. The next prime is 28930901917. The reversal of 28930901916 is 61910903982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28930901911) 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 15 ways as a sum of consecutive naturals, for example, 4651156 + ... + 4657371.

Almost surely, 2^28930901916 is an apocalyptic number.

It is an amenable number.

28930901916 is an abundant number, since it is smaller than the sum of its proper divisors (50303288420).

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

28930901916 is a wasteful number, since it uses less digits than its factorization.

28930901916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308578 (or 9308576 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 28930901916 in words is "twenty-eight billion, nine hundred thirty million, nine hundred one thousand, nine hundred sixteen".