28807040485 has 8 divisors (see below), whose sum is σ = 35303947776. Its totient is φ = 22555299600.

The previous prime is 28807040477. The next prime is 28807040497. The reversal of 28807040485 is 58404070882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28807040485 - 2³ = 28807040477 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 61291341 + ... + 61291810.

It is an arithmetic number, because the mean of its divisors is an integer number (4412993472).

Almost surely, 2^28807040485 is an apocalyptic number.

It is an amenable number.

28807040485 is a deficient number, since it is larger than the sum of its proper divisors (6496907291).

28807040485 is a wasteful number, since it uses less digits than its factorization.

28807040485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122583203.

The product of its (nonzero) digits is 573440, while the sum is 46.

The spelling of 28807040485 in words is "twenty-eight billion, eight hundred seven million, forty thousand, four hundred eighty-five".