28860006349 has 2 divisors, whose sum is σ = 28860006350. Its totient is φ = 28860006348.

The previous prime is 28860006317. The next prime is 28860006353. The reversal of 28860006349 is 94360006882.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15523914025 + 13336092324 = 124595^2 + 115482^2 .

It is a cyclic number.

It is not a de Polignac number, because 28860006349 - 2⁵ = 28860006317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28860006299 and 28860006308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28860006379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14430003174 + 14430003175.

It is an arithmetic number, because the mean of its divisors is an integer number (14430003175).

Almost surely, 2^28860006349 is an apocalyptic number.

It is an amenable number.

28860006349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28860006349 is an equidigital number, since it uses as much as digits as its factorization.

28860006349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28860006349 in words is "twenty-eight billion, eight hundred sixty million, six thousand, three hundred forty-nine".