28032927664895 has 4 divisors (see below), whose sum is σ = 33639513197880. Its totient is φ = 22426342131912.

The previous prime is 28032927664853. The next prime is 28032927664981. The reversal of 28032927664895 is 59846672923082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28032927664895 - 2⁶ = 28032927664831 is a prime.

It is a super-2 number, since 2×28032927664895² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803292766485 + ... + 2803292766494.

It is an arithmetic number, because the mean of its divisors is an integer number (8409878299470).

Almost surely, 2^{28032927664895} is an apocalyptic number.

28032927664895 is a deficient number, since it is larger than the sum of its proper divisors (5606585532985).

28032927664895 is an equidigital number, since it uses as much as digits as its factorization.

28032927664895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606585532984.

The product of its (nonzero) digits is 627056640, while the sum is 71.

The spelling of 28032927664895 in words is "twenty-eight trillion, thirty-two billion, nine hundred twenty-seven million, six hundred sixty-four thousand, eight hundred ninety-five".