28976510800 has 30 divisors (see below), whose sum is σ = 69616068158. Its totient is φ = 11590604160.

The previous prime is 28976510711. The next prime is 28976510803. The reversal of 28976510800 is 801567982.

It can be written as a sum of positive squares in 3 ways, for example, as 5394608704 + 23581902096 = 73448^2 + 153564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28976510803) 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 5 ways as a sum of consecutive naturals, for example, 36220239 + ... + 36221038.

Almost surely, 2^28976510800 is an apocalyptic number.

28976510800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28976510800 is an abundant number, since it is smaller than the sum of its proper divisors (40639557358).

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

28976510800 is a wasteful number, since it uses less digits than its factorization.

28976510800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72441295 (or 72441284 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 28976510800 in words is "twenty-eight billion, nine hundred seventy-six million, five hundred ten thousand, eight hundred".