28590331473 has 12 divisors (see below), whose sum is σ = 45051431568. Its totient is φ = 17327473560.

The previous prime is 28590331463. The next prime is 28590331513. The reversal of 28590331473 is 37413309582.

28590331473 is a `hidden beast` number, since 28 + 590 + 3 + 31 + 4 + 7 + 3 = 666.

It is not a de Polignac number, because 28590331473 - 2⁹ = 28590330961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28590331463) 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 11 ways as a sum of consecutive naturals, for example, 144395515 + ... + 144395712.

It is an arithmetic number, because the mean of its divisors is an integer number (3754285964).

Almost surely, 2^28590331473 is an apocalyptic number.

It is an amenable number.

28590331473 is a deficient number, since it is larger than the sum of its proper divisors (16461100095).

28590331473 is a wasteful number, since it uses less digits than its factorization.

28590331473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288791244 (or 288791241 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

It can be divided in two parts, 28590 and 331473, that added together give a palindrome (360063).

The spelling of 28590331473 in words is "twenty-eight billion, five hundred ninety million, three hundred thirty-one thousand, four hundred seventy-three".