28969474716 has 480 divisors, whose sum is σ = 102145760640. Its totient is φ = 6939426816.

The previous prime is 28969474711. The next prime is 28969474747. The reversal of 28969474716 is 61747496982.

28969474716 is a `hidden beast` number, since 2 + 8 + 96 + 9 + 474 + 71 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28969474711) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14534616 + ... + 14536608.

It is an arithmetic number, because the mean of its divisors is an integer number (212803668).

Almost surely, 2^28969474716 is an apocalyptic number.

28969474716 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 28969474716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51072880320).

28969474716 is an abundant number, since it is smaller than the sum of its proper divisors (73176285924).

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

28969474716 is a wasteful number, since it uses less digits than its factorization.

28969474716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2064 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 28969474716 in words is "twenty-eight billion, nine hundred sixty-nine million, four hundred seventy-four thousand, seven hundred sixteen".