28080970802 has 16 divisors (see below), whose sum is σ = 45468440640. Its totient is φ = 12966924432.

The previous prime is 28080970783. The next prime is 28080970811. The reversal of 28080970802 is 20807908082.

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, 10523768 + ... + 10526435.

It is an arithmetic number, because the mean of its divisors is an integer number (2841777540).

Almost surely, 2^28080970802 is an apocalyptic number.

28080970802 is a deficient number, since it is larger than the sum of its proper divisors (17387469838).

28080970802 is a wasteful number, since it uses less digits than its factorization.

28080970802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21050257.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 28080970802 in words is "twenty-eight billion, eighty million, nine hundred seventy thousand, eight hundred two".