28708942080 has 576 divisors, whose sum is σ = 116780751360. Its totient is φ = 5846335488.

The previous prime is 28708942057. The next prime is 28708942099. The reversal of 28708942080 is 8024980782.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10132344 + ... + 10135176.

It is an arithmetic number, because the mean of its divisors is an integer number (202744360).

Almost surely, 2^28708942080 is an apocalyptic number.

28708942080 is a gapful number since it is divisible by the number (20) 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 28708942080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58390375680).

28708942080 is an abundant number, since it is smaller than the sum of its proper divisors (88071809280).

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

28708942080 is a wasteful number, since it uses less digits than its factorization.

28708942080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 28708942080 in words is "twenty-eight billion, seven hundred eight million, nine hundred forty-two thousand, eighty".