28062740676880 has 640 divisors, whose sum is σ = 83897526214656. Its totient is φ = 8494051737600.

The previous prime is 28062740676871. The next prime is 28062740676907. The reversal of 28062740676880 is 8867604726082.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3245368717 + ... + 3245377363.

Almost surely, 2^{28062740676880} is an apocalyptic number.

28062740676880 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 28062740676880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41948763107328).

28062740676880 is an abundant number, since it is smaller than the sum of its proper divisors (55834785537776).

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

28062740676880 is a wasteful number, since it uses less digits than its factorization.

28062740676880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935 (or 8929 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 64.

The spelling of 28062740676880 in words is "twenty-eight trillion, sixty-two billion, seven hundred forty million, six hundred seventy-six thousand, eight hundred eighty".