28996966560 has 96 divisors (see below), whose sum is σ = 92591795520. Its totient is φ = 7626590208.

The previous prime is 28996966549. The next prime is 28996966577. The reversal of 28996966560 is 6566969982.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 28996966491 and 28996966500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378730 + ... + 448809.

It is an arithmetic number, because the mean of its divisors is an integer number (964497870).

Almost surely, 2^28996966560 is an apocalyptic number.

28996966560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28996966560 is an abundant number, since it is smaller than the sum of its proper divisors (63594828960).

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

28996966560 is a wasteful number, since it uses less digits than its factorization.

28996966560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827630 (or 827622 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 66.

The spelling of 28996966560 in words is "twenty-eight billion, nine hundred ninety-six million, nine hundred sixty-six thousand, five hundred sixty".