28713023360 has 512 divisors, whose sum is σ = 86294937600. Its totient is φ = 8921088000.

The previous prime is 28713023359. The next prime is 28713023389. The reversal of 28713023360 is 6332031782.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 28713023360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284287310 + ... + 284287410.

It is an arithmetic number, because the mean of its divisors is an integer number (168544800).

Almost surely, 2^28713023360 is an apocalyptic number.

28713023360 is a gapful number since it is divisible by the number (20) 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 28713023360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43147468800).

28713023360 is an abundant number, since it is smaller than the sum of its proper divisors (57581914240).

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

28713023360 is a wasteful number, since it uses less digits than its factorization.

28713023360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 28713023360 in words is "twenty-eight billion, seven hundred thirteen million, twenty-three thousand, three hundred sixty".