28081675304 has 8 divisors (see below), whose sum is σ = 52653141210. Its totient is φ = 14040837648.

The previous prime is 28081675261. The next prime is 28081675327. The reversal of 28081675304 is 40357618082.

It can be written as a sum of positive squares in only one way, i.e., 17819580100 + 10262095204 = 133490^2 + 101302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1755104699 + ... + 1755104714.

Almost surely, 2^28081675304 is an apocalyptic number.

It is an amenable number.

28081675304 is a deficient number, since it is larger than the sum of its proper divisors (24571465906).

28081675304 is a wasteful number, since it uses less digits than its factorization.

28081675304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510209419 (or 3510209415 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28081675304 in words is "twenty-eight billion, eighty-one million, six hundred seventy-five thousand, three hundred four".