28096620331 has 16 divisors (see below), whose sum is σ = 30551764320. Its totient is φ = 25683713280.

The previous prime is 28096620319. The next prime is 28096620371. The reversal of 28096620331 is 13302669082.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28096620331 is a prime.

It is a super-2 number, since 2×28096620331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28096620311) 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 in 15 ways as a sum of consecutive naturals, for example, 3454836 + ... + 3462958.

It is an arithmetic number, because the mean of its divisors is an integer number (1909485270).

Almost surely, 2^28096620331 is an apocalyptic number.

28096620331 is a deficient number, since it is larger than the sum of its proper divisors (2455143989).

28096620331 is a wasteful number, since it uses less digits than its factorization.

28096620331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 28096620331 in words is "twenty-eight billion, ninety-six million, six hundred twenty thousand, three hundred thirty-one".