28363780080 has 120 divisors (see below), whose sum is σ = 95293186560. Its totient is φ = 7560645120.

The previous prime is 28363780073. The next prime is 28363780121. The reversal of 28363780080 is 8008736382.

28363780080 is a `hidden beast` number, since 2 + 8 + 3 + 637 + 8 + 0 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2232145 + ... + 2244815.

It is an arithmetic number, because the mean of its divisors is an integer number (794109888).

Almost surely, 2^28363780080 is an apocalyptic number.

28363780080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28363780080 is an abundant number, since it is smaller than the sum of its proper divisors (66929406480).

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

28363780080 is a wasteful number, since it uses less digits than its factorization.

28363780080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15799 (or 15790 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 28363780080 in words is "twenty-eight billion, three hundred sixty-three million, seven hundred eighty thousand, eighty".