28062306797 has 4 divisors (see below), whose sum is σ = 32071207776. Its totient is φ = 24053405820.

The previous prime is 28062306791. The next prime is 28062306803. The reversal of 28062306797 is 79760326082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79760326082 = 2 ⋅39880163041.

It is an interprime number because it is at equal distance from previous prime (28062306791) and next prime (28062306803).

It is a cyclic number.

It is not a de Polignac number, because 28062306797 - 2⁴ = 28062306781 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 (28062306791) 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 3 ways as a sum of consecutive naturals, for example, 2004450479 + ... + 2004450492.

It is an arithmetic number, because the mean of its divisors is an integer number (8017801944).

Almost surely, 2^28062306797 is an apocalyptic number.

It is an amenable number.

28062306797 is a deficient number, since it is larger than the sum of its proper divisors (4008900979).

28062306797 is an equidigital number, since it uses as much as digits as its factorization.

28062306797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008900978.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 28062306797 in words is "twenty-eight billion, sixty-two million, three hundred six thousand, seven hundred ninety-seven".