28310678543712 has 192 divisors, whose sum is σ = 75378374184960. Its totient is φ = 9302990860800.

The previous prime is 28310678543701. The next prime is 28310678543723. The reversal of 28310678543712 is 21734587601382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28310678543701) and next prime (28310678543723).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2392917637 + ... + 2392929467.

It is an arithmetic number, because the mean of its divisors is an integer number (392595698880).

Almost surely, 2^{28310678543712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28310678543712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37689187092480).

28310678543712 is an abundant number, since it is smaller than the sum of its proper divisors (47067695641248).

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

28310678543712 is a wasteful number, since it uses less digits than its factorization.

28310678543712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217 (or 13209 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 28310678543712 in words is "twenty-eight trillion, three hundred ten billion, six hundred seventy-eight million, five hundred forty-three thousand, seven hundred twelve".