28780348096512 has 180 divisors, whose sum is σ = 88031327025096. Its totient is φ = 9029128028160.

The previous prime is 28780348096481. The next prime is 28780348096517. The reversal of 28780348096512 is 21569084308782.

28780348096512 is a `hidden beast` number, since 2 + 8 + 7 + 8 + 0 + 34 + 80 + 9 + 6 + 512 = 666.

It is a super-2 number, since 2×28780348096512² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28780348096512.

It is not an unprimeable number, because it can be changed into a prime (28780348096517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3233814 + ... + 8247317.

It is a 1-persistent number, because it is pandigital, but 2⋅28780348096512 = 57560696193024 is not.

Almost surely, 2^{28780348096512} is an apocalyptic number.

It is an amenable number.

28780348096512 is an abundant number, since it is smaller than the sum of its proper divisors (59250978928584).

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

28780348096512 is a wasteful number, since it uses less digits than its factorization.

28780348096512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481182 (or 11481153 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 28780348096512 in words is "twenty-eight trillion, seven hundred eighty billion, three hundred forty-eight million, ninety-six thousand, five hundred twelve".