28080142684 has 24 divisors (see below), whose sum is σ = 53949007728. Its totient is φ = 12682400640.

The previous prime is 28080142637. The next prime is 28080142709. The reversal of 28080142684 is 48624108082.

It is a self number, because there is not a number n which added to its sum of digits gives 28080142684.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2025529 + ... + 2039344.

It is an arithmetic number, because the mean of its divisors is an integer number (2247875322).

Almost surely, 2^28080142684 is an apocalyptic number.

It is an amenable number.

28080142684 is a deficient number, since it is larger than the sum of its proper divisors (25868865044).

28080142684 is a wasteful number, since it uses less digits than its factorization.

28080142684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065045 (or 4065043 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 43.

The spelling of 28080142684 in words is "twenty-eight billion, eighty million, one hundred forty-two thousand, six hundred eighty-four".