28606880016 has 1080 divisors, whose sum is σ = 110576880960. Its totient is φ = 6824632320.

The previous prime is 28606879981. The next prime is 28606880017. The reversal of 28606880016 is 61008860682.

28606880016 is a `hidden beast` number, since 28 + 606 + 8 + 8 + 0 + 0 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (28606880017) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1243777381 + ... + 1243777403.

Almost surely, 2^28606880016 is an apocalyptic number.

28606880016 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 28606880016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55288440480).

28606880016 is an abundant number, since it is smaller than the sum of its proper divisors (81970000944).

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

28606880016 is a wasteful number, since it uses less digits than its factorization.

28606880016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 28606880016 in words is "twenty-eight billion, six hundred six million, eight hundred eighty thousand, sixteen".