28600985466 has 20 divisors (see below), whose sum is σ = 64087393722. Its totient is φ = 9533661768.

The previous prime is 28600985449. The next prime is 28600985467. The reversal of 28600985466 is 66458900682.

It is a happy number.

28600985466 is a `hidden beast` number, since 2 + 8 + 6 + 0 + 0 + 98 + 546 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21602826441 + 6998159025 = 146979^2 + 83655^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28600985467) 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 9 ways as a sum of consecutive naturals, for example, 88274485 + ... + 88274808.

Almost surely, 2^28600985466 is an apocalyptic number.

28600985466 is an abundant number, since it is smaller than the sum of its proper divisors (35486408256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28600985466 is a wasteful number, since it uses less digits than its factorization.

28600985466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176549307 (or 176549298 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 28600985466 in words is "twenty-eight billion, six hundred million, nine hundred eighty-five thousand, four hundred sixty-six".