28328895546 has 16 divisors (see below), whose sum is σ = 64751761344. Its totient is φ = 8093970144.

The previous prime is 28328895521. The next prime is 28328895577. The reversal of 28328895546 is 64559882382.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28328895546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337248715 + ... + 337248798.

It is an arithmetic number, because the mean of its divisors is an integer number (4046985084).

Almost surely, 2^28328895546 is an apocalyptic number.

28328895546 is an abundant number, since it is smaller than the sum of its proper divisors (36422865798).

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

28328895546 is a wasteful number, since it uses less digits than its factorization.

28328895546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674497525.

The product of its digits is 33177600, while the sum is 60.

The spelling of 28328895546 in words is "twenty-eight billion, three hundred twenty-eight million, eight hundred ninety-five thousand, five hundred forty-six".