28112769360 has 1280 divisors, whose sum is σ = 119992320000. Its totient is φ = 5977939968.

The previous prime is 28112769353. The next prime is 28112769367. The reversal of 28112769360 is 6396721182.

28112769360 is a `hidden beast` number, since 2 + 8 + 11 + 276 + 9 + 360 = 666.

It is an interprime number because it is at equal distance from previous prime (28112769353) and next prime (28112769367).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112769367) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 355857801 + ... + 355857879.

It is an arithmetic number, because the mean of its divisors is an integer number (93744000).

Almost surely, 2^28112769360 is an apocalyptic number.

28112769360 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 28112769360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160000).

28112769360 is an abundant number, since it is smaller than the sum of its proper divisors (91879550640).

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

28112769360 is a wasteful number, since it uses less digits than its factorization.

28112769360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 28112769360 in words is "twenty-eight billion, one hundred twelve million, seven hundred sixty-nine thousand, three hundred sixty".