28112461786 has 32 divisors (see below), whose sum is σ = 45664404480. Its totient is φ = 12948700800.

The previous prime is 28112461753. The next prime is 28112461789. The reversal of 28112461786 is 68716421182.

It is not an unprimeable number, because it can be changed into a prime (28112461789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17550 + ... + 237766.

It is an arithmetic number, because the mean of its divisors is an integer number (1427012640).

Almost surely, 2^28112461786 is an apocalyptic number.

28112461786 is a deficient number, since it is larger than the sum of its proper divisors (17551942694).

28112461786 is a wasteful number, since it uses less digits than its factorization.

28112461786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220350.

The product of its digits is 258048, while the sum is 46.

The spelling of 28112461786 in words is "twenty-eight billion, one hundred twelve million, four hundred sixty-one thousand, seven hundred eighty-six".