28082661474 has 32 divisors (see below), whose sum is σ = 64521544320. Its totient is φ = 7982042112.

The previous prime is 28082661469. The next prime is 28082661491. The reversal of 28082661474 is 47416628082.

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 15 ways as a sum of consecutive naturals, for example, 1724109 + ... + 1740320.

It is an arithmetic number, because the mean of its divisors is an integer number (2016298260).

Almost surely, 2^28082661474 is an apocalyptic number.

28082661474 is an abundant number, since it is smaller than the sum of its proper divisors (36438882846).

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

28082661474 is a wasteful number, since it uses less digits than its factorization.

28082661474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464634.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 28082661474 in words is "twenty-eight billion, eighty-two million, six hundred sixty-one thousand, four hundred seventy-four".