28060622880 has 96 divisors (see below), whose sum is σ = 88529402304. Its totient is φ = 7471113216.

The previous prime is 28060622879. The next prime is 28060622897. The reversal of 28060622880 is 8822606082.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×28060622880³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263182 + ... + 354098.

It is an arithmetic number, because the mean of its divisors is an integer number (922181274).

Almost surely, 2^28060622880 is an apocalyptic number.

28060622880 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 28060622880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44264701152).

28060622880 is an abundant number, since it is smaller than the sum of its proper divisors (60468779424).

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

28060622880 is a wasteful number, since it uses less digits than its factorization.

28060622880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91578 (or 91570 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 28060622880 in words is "twenty-eight billion, sixty million, six hundred twenty-two thousand, eight hundred eighty".