28807040498 has 16 divisors (see below), whose sum is σ = 46615613400. Its totient is φ = 13300475136.

The previous prime is 28807040497. The next prime is 28807040567. The reversal of 28807040498 is 89404070882.

It can be written as a sum of positive squares in 4 ways, for example, as 27694617889 + 1112422609 = 166417^2 + 33353^2 .

It is not an unprimeable number, because it can be changed into a prime (28807040497) by changing a digit.

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, 7991273 + ... + 7994876.

Almost surely, 2^28807040498 is an apocalyptic number.

28807040498 is a deficient number, since it is larger than the sum of its proper divisors (17808572902).

28807040498 is a wasteful number, since it uses less digits than its factorization.

28807040498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15986221.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 28807040498 in words is "twenty-eight billion, eight hundred seven million, forty thousand, four hundred ninety-eight".