28605774760 has 32 divisors (see below), whose sum is σ = 65453896800. Its totient is φ = 11248371520.

The previous prime is 28605774749. The next prime is 28605774773. The reversal of 28605774760 is 6747750682.

It is a junction number, because it is equal to n+sod(n) for n = 28605774698 and 28605774707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6058186 + ... + 6062905.

It is an arithmetic number, because the mean of its divisors is an integer number (2045434275).

Almost surely, 2^28605774760 is an apocalyptic number.

28605774760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28605774760 is an abundant number, since it is smaller than the sum of its proper divisors (36848122040).

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

28605774760 is a wasteful number, since it uses less digits than its factorization.

28605774760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121161 (or 12121157 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 28605774760 in words is "twenty-eight billion, six hundred five million, seven hundred seventy-four thousand, seven hundred sixty".