28107327456 has 192 divisors, whose sum is σ = 92933164800. Its totient is φ = 8193166848.

The previous prime is 28107327439. The next prime is 28107327461. The reversal of 28107327456 is 65472370182.

28107327456 is a `hidden beast` number, since 281 + 0 + 7 + 327 + 45 + 6 = 666.

It is a super-2 number, since 2×28107327456² (a number of 22 digits) contains 22 as substring.

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, 147555 + ... + 279261.

It is an arithmetic number, because the mean of its divisors is an integer number (484026900).

Almost surely, 2^28107327456 is an apocalyptic number.

28107327456 is a gapful number since it is divisible by the number (26) 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 28107327456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46466582400).

28107327456 is an abundant number, since it is smaller than the sum of its proper divisors (64825837344).

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

28107327456 is a wasteful number, since it uses less digits than its factorization.

28107327456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131758 (or 131744 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 28107327456 in words is "twenty-eight billion, one hundred seven million, three hundred twenty-seven thousand, four hundred fifty-six".