28067060736 has 704 divisors, whose sum is σ = 101242982400. Its totient is φ = 7564492800.

The previous prime is 28067060731. The next prime is 28067060837. The reversal of 28067060736 is 63706076082.

28067060736 is a `hidden beast` number, since 2 + 8 + 0 + 6 + 7 + 0 + 607 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (704).

It is a junction number, because it is equal to n+sod(n) for n = 28067060691 and 28067060700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28067060731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122563470 + ... + 122563698.

Almost surely, 2^28067060736 is an apocalyptic number.

28067060736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28067060736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50621491200).

28067060736 is an abundant number, since it is smaller than the sum of its proper divisors (73175921664).

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

28067060736 is a wasteful number, since it uses less digits than its factorization.

28067060736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 28067060736 in words is "twenty-eight billion, sixty-seven million, sixty thousand, seven hundred thirty-six".