28933360488 has 32 divisors (see below), whose sum is σ = 80370446400. Its totient is φ = 9644453424.

The previous prime is 28933360487. The next prime is 28933360583. The reversal of 28933360488 is 88406333982.

It is a happy number.

28933360488 is a `hidden beast` number, since 28 + 9 + 3 + 3 + 3 + 604 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28933360481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66975156 + ... + 66975587.

It is an arithmetic number, because the mean of its divisors is an integer number (2511576450).

Almost surely, 2^28933360488 is an apocalyptic number.

It is an amenable number.

28933360488 is an abundant number, since it is smaller than the sum of its proper divisors (51437085912).

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

28933360488 is a wasteful number, since it uses less digits than its factorization.

28933360488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133950758 (or 133950748 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 28933360488 in words is "twenty-eight billion, nine hundred thirty-three million, three hundred sixty thousand, four hundred eighty-eight".