28006116996 has 96 divisors (see below), whose sum is σ = 76882176000. Its totient is φ = 7822638720.

The previous prime is 28006116989. The next prime is 28006117001. The reversal of 28006116996 is 69961160082.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222455 + ... + 1245153.

It is an arithmetic number, because the mean of its divisors is an integer number (800856000).

Almost surely, 2^28006116996 is an apocalyptic number.

28006116996 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 28006116996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38441088000).

28006116996 is an abundant number, since it is smaller than the sum of its proper divisors (48876059004).

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

28006116996 is a wasteful number, since it uses less digits than its factorization.

28006116996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23449 (or 23447 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 28006116996 in words is "twenty-eight billion, six million, one hundred sixteen thousand, nine hundred ninety-six".