28175661260 has 48 divisors (see below), whose sum is σ = 63071500800. Its totient is φ = 10541928384.

The previous prime is 28175661247. The next prime is 28175661281. The reversal of 28175661260 is 6216657182.

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 15 ways as a sum of consecutive naturals, for example, 439262 + ... + 499301.

It is an arithmetic number, because the mean of its divisors is an integer number (1313989600).

Almost surely, 2^28175661260 is an apocalyptic number.

28175661260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28175661260 is an abundant number, since it is smaller than the sum of its proper divisors (34895839540).

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

28175661260 is a wasteful number, since it uses less digits than its factorization.

28175661260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938670 (or 938668 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 28175661260 in words is "twenty-eight billion, one hundred seventy-five million, six hundred sixty-one thousand, two hundred sixty".