28873465416 has 160 divisors (see below), whose sum is σ = 82352793600. Its totient is φ = 9449706240.

The previous prime is 28873465399. The next prime is 28873465429. The reversal of 28873465416 is 61456437882.

It is a happy number.

28873465416 is a `hidden beast` number, since 28 + 8 + 73 + 4 + 6 + 541 + 6 = 666.

It is a super-3 number, since 3×28873465416³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9776196 + ... + 9779148.

It is an arithmetic number, because the mean of its divisors is an integer number (514704960).

Almost surely, 2^28873465416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28873465416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41176396800).

28873465416 is an abundant number, since it is smaller than the sum of its proper divisors (53479328184).

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

28873465416 is a wasteful number, since it uses less digits than its factorization.

28873465416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241 (or 3228 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 28873465416 in words is "twenty-eight billion, eight hundred seventy-three million, four hundred sixty-five thousand, four hundred sixteen".