28806972002 has 16 divisors (see below), whose sum is σ = 43861584672. Its totient is φ = 14186504640.

The previous prime is 28806971957. The next prime is 28806972031. The reversal of 28806972002 is 20027960882.

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, 1497002 + ... + 1516122.

It is an arithmetic number, because the mean of its divisors is an integer number (2741349042).

Almost surely, 2^28806972002 is an apocalyptic number.

28806972002 is a deficient number, since it is larger than the sum of its proper divisors (15054612670).

28806972002 is a wasteful number, since it uses less digits than its factorization.

28806972002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30433.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 28806972002 in words is "twenty-eight billion, eight hundred six million, nine hundred seventy-two thousand, two".