28327530797 has 16 divisors (see below), whose sum is σ = 30429292032. Its totient is φ = 26274474240.

The previous prime is 28327530793. The next prime is 28327530821. The reversal of 28327530797 is 79703572382.

It is a cyclic number.

It is not a de Polignac number, because 28327530797 - 2² = 28327530793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28327530793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4502588 + ... + 4508874.

It is an arithmetic number, because the mean of its divisors is an integer number (1901830752).

Almost surely, 2^28327530797 is an apocalyptic number.

It is an amenable number.

28327530797 is a deficient number, since it is larger than the sum of its proper divisors (2101761235).

28327530797 is a wasteful number, since it uses less digits than its factorization.

28327530797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 28327530797 in words is "twenty-eight billion, three hundred twenty-seven million, five hundred thirty thousand, seven hundred ninety-seven".