28068113976 has 256 divisors, whose sum is σ = 87525826560. Its totient is φ = 7318978560.

The previous prime is 28068113929. The next prime is 28068113977. The reversal of 28068113976 is 67931186082.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28068113977) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 12716665 + ... + 12718871.

It is an arithmetic number, because the mean of its divisors is an integer number (341897760).

Almost surely, 2^28068113976 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 28068113976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43762913280).

28068113976 is an abundant number, since it is smaller than the sum of its proper divisors (59457712584).

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

28068113976 is a wasteful number, since it uses less digits than its factorization.

28068113976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2370 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 28068113976 in words is "twenty-eight billion, sixty-eight million, one hundred thirteen thousand, nine hundred seventy-six".