28174711488 has 896 divisors, whose sum is σ = 105338880000. Its totient is φ = 6556999680.

The previous prime is 28174711483. The next prime is 28174711501. The reversal of 28174711488 is 88411747182.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 28174711488.

It is not an unprimeable number, because it can be changed into a prime (28174711483) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 316569748 + ... + 316569836.

Almost surely, 2^28174711488 is an apocalyptic number.

28174711488 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 28174711488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52669440000).

28174711488 is an abundant number, since it is smaller than the sum of its proper divisors (77164168512).

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

28174711488 is a wasteful number, since it uses less digits than its factorization.

28174711488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 154 counting only the distinct ones).

The product of its digits is 802816, while the sum is 51.

The spelling of 28174711488 in words is "twenty-eight billion, one hundred seventy-four million, seven hundred eleven thousand, four hundred eighty-eight".