28496916697 has 2 divisors, whose sum is σ = 28496916698. Its totient is φ = 28496916696.

The previous prime is 28496916691. The next prime is 28496916703. The reversal of 28496916697 is 79661969482.

It is a balanced prime because it is at equal distance from previous prime (28496916691) and next prime (28496916703).

It can be written as a sum of positive squares in only one way, i.e., 20523141081 + 7973775616 = 143259^2 + 89296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28496916697 is a prime.

It is a super-2 number, since 2×28496916697² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28496916691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14248458348 + 14248458349.

It is an arithmetic number, because the mean of its divisors is an integer number (14248458349).

Almost surely, 2^28496916697 is an apocalyptic number.

It is an amenable number.

28496916697 is a deficient number, since it is larger than the sum of its proper divisors (1).

28496916697 is an equidigital number, since it uses as much as digits as its factorization.

28496916697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70543872, while the sum is 67.

The spelling of 28496916697 in words is "twenty-eight billion, four hundred ninety-six million, nine hundred sixteen thousand, six hundred ninety-seven".