28148880588 has 24 divisors (see below), whose sum is σ = 66331028400. Its totient is φ = 9290059200.

The previous prime is 28148880559. The next prime is 28148880601. The reversal of 28148880588 is 88508884182.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11611363 + ... + 11613786.

It is an arithmetic number, because the mean of its divisors is an integer number (2763792850).

Almost surely, 2^28148880588 is an apocalyptic number.

It is an amenable number.

28148880588 is an abundant number, since it is smaller than the sum of its proper divisors (38182147812).

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

28148880588 is a wasteful number, since it uses less digits than its factorization.

28148880588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23225257 (or 23225255 counting only the distinct ones).

The product of its (nonzero) digits is 10485760, while the sum is 60.

The spelling of 28148880588 in words is "twenty-eight billion, one hundred forty-eight million, eight hundred eighty thousand, five hundred eighty-eight".