28060654580 has 288 divisors, whose sum is σ = 76936801536. Its totient is φ = 8524099584.

The previous prime is 28060654571. The next prime is 28060654681. The reversal of 28060654580 is 8545606082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25672514 + ... + 25673606.

It is an arithmetic number, because the mean of its divisors is an integer number (267141672).

Almost surely, 2^28060654580 is an apocalyptic number.

28060654580 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 28060654580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38468400768).

28060654580 is an abundant number, since it is smaller than the sum of its proper divisors (48876146956).

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

28060654580 is a wasteful number, since it uses less digits than its factorization.

28060654580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 28060654580 in words is "twenty-eight billion, sixty million, six hundred fifty-four thousand, five hundred eighty".