28807040486 has 16 divisors (see below), whose sum is σ = 49413889536. Its totient is φ = 12338276616.

The previous prime is 28807040477. The next prime is 28807040497. The reversal of 28807040486 is 68404070882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28807040486.

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, 609566 + ... + 655121.

It is an arithmetic number, because the mean of its divisors is an integer number (3088368096).

Almost surely, 2^28807040486 is an apocalyptic number.

28807040486 is a deficient number, since it is larger than the sum of its proper divisors (20606849050).

28807040486 is a wasteful number, since it uses less digits than its factorization.

28807040486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266323.

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 28807040486 in words is "twenty-eight billion, eight hundred seven million, forty thousand, four hundred eighty-six".