28650709661536 has 12 divisors (see below), whose sum is σ = 56406084646212. Its totient is φ = 14325354830752.

The previous prime is 28650709661507. The next prime is 28650709661551. The reversal of 28650709661536 is 63516690705682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447667338430 + ... + 447667338493.

It is an arithmetic number, because the mean of its divisors is an integer number (4700507053851).

Almost surely, 2^{28650709661536} is an apocalyptic number.

It is an amenable number.

28650709661536 is a deficient number, since it is larger than the sum of its proper divisors (27755374984676).

28650709661536 is an equidigital number, since it uses as much as digits as its factorization.

28650709661536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895334676933 (or 895334676925 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 64.

The spelling of 28650709661536 in words is "twenty-eight trillion, six hundred fifty billion, seven hundred nine million, six hundred sixty-one thousand, five hundred thirty-six".