28061325288600 has 96 divisors (see below), whose sum is σ = 89013134253120. Its totient is φ = 7308996347520.

The previous prime is 28061325288541. The next prime is 28061325288631. The reversal of 28061325288600 is 688252316082.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 543798334 + ... + 543849933.

It is an arithmetic number, because the mean of its divisors is an integer number (927220148470).

Almost surely, 2^{28061325288600} is an apocalyptic number.

28061325288600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28061325288600 is an abundant number, since it is smaller than the sum of its proper divisors (60951808964520).

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

28061325288600 is a wasteful number, since it uses less digits than its factorization.

28061325288600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087648329 (or 1087648320 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 28061325288600 in words is "twenty-eight trillion, sixty-one billion, three hundred twenty-five million, two hundred eighty-eight thousand, six hundred".