28600318664 has 8 divisors (see below), whose sum is σ = 53625597510. Its totient is φ = 14300159328.

The previous prime is 28600318661. The next prime is 28600318667. The reversal of 28600318664 is 46681300682.

It is an interprime number because it is at equal distance from previous prime (28600318661) and next prime (28600318667).

It can be written as a sum of positive squares in only one way, i.e., 20776916164 + 7823402500 = 144142^2 + 88450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (28600318661) 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 as a sum of consecutive naturals, namely, 1787519909 + ... + 1787519924.

Almost surely, 2^28600318664 is an apocalyptic number.

It is an amenable number.

28600318664 is a deficient number, since it is larger than the sum of its proper divisors (25025278846).

28600318664 is a wasteful number, since it uses less digits than its factorization.

28600318664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575039839 (or 3575039835 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 28600318664 in words is "twenty-eight billion, six hundred million, three hundred eighteen thousand, six hundred sixty-four".