28300042664 has 32 divisors (see below), whose sum is σ = 56193578280. Its totient is φ = 13315375104.

The previous prime is 28300042643. The next prime is 28300042669. The reversal of 28300042664 is 46624000382.

It can be written as a sum of positive squares in 4 ways, for example, as 27905702500 + 394340164 = 167050^2 + 19858^2 .

It is not an unprimeable number, because it can be changed into a prime (28300042669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978134 + ... + 1006650.

Almost surely, 2^28300042664 is an apocalyptic number.

It is an amenable number.

28300042664 is a deficient number, since it is larger than the sum of its proper divisors (27893535616).

28300042664 is a wasteful number, since it uses less digits than its factorization.

28300042664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35837 (or 35833 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 28300042664 in words is "twenty-eight billion, three hundred million, forty-two thousand, six hundred sixty-four".