28423475828748 has 288 divisors, whose sum is σ = 96544943040000. Its totient is φ = 6809352376320.

The previous prime is 28423475828731. The next prime is 28423475828753. The reversal of 28423475828748 is 84782857432482.

28423475828748 is a `hidden beast` number, since 2 + 8 + 4 + 2 + 3 + 475 + 82 + 8 + 74 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44693211 + ... + 45324717.

Almost surely, 2^{28423475828748} is an apocalyptic number.

28423475828748 is a gapful number since it is divisible by the number (28) 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 28423475828748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48272471520000).

28423475828748 is an abundant number, since it is smaller than the sum of its proper divisors (68121467211252).

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

28423475828748 is a wasteful number, since it uses less digits than its factorization.

28423475828748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632797 (or 632792 counting only the distinct ones).

The product of its digits is 1541406720, while the sum is 72.

The spelling of 28423475828748 in words is "twenty-eight trillion, four hundred twenty-three billion, four hundred seventy-five million, eight hundred twenty-eight thousand, seven hundred forty-eight".