28317767360 has 112 divisors (see below), whose sum is σ = 68422759776. Its totient is φ = 11161362432.

The previous prime is 28317767351. The next prime is 28317767369. The reversal of 28317767360 is 6376771382.

It is an interprime number because it is at equal distance from previous prime (28317767351) and next prime (28317767369).

It is a junction number, because it is equal to n+sod(n) for n = 28317767299 and 28317767308.

It is not an unprimeable number, because it can be changed into a prime (28317767369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12136754 + ... + 12139086.

It is an arithmetic number, because the mean of its divisors is an integer number (610917498).

Almost surely, 2^28317767360 is an apocalyptic number.

28317767360 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 28317767360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34211379888).

28317767360 is an abundant number, since it is smaller than the sum of its proper divisors (40104992416).

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

28317767360 is a wasteful number, since it uses less digits than its factorization.

28317767360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 28317767360 in words is "twenty-eight billion, three hundred seventeen million, seven hundred sixty-seven thousand, three hundred sixty".