28347348047 has 2 divisors, whose sum is σ = 28347348048. Its totient is φ = 28347348046.

The previous prime is 28347347929. The next prime is 28347348061. The reversal of 28347348047 is 74084374382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28347348047 - 2²² = 28343153743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28347347986 and 28347348004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28347348647) 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 as a sum of consecutive naturals, namely, 14173674023 + 14173674024.

It is an arithmetic number, because the mean of its divisors is an integer number (14173674024).

Almost surely, 2^28347348047 is an apocalyptic number.

28347348047 is a deficient number, since it is larger than the sum of its proper divisors (1).

28347348047 is an equidigital number, since it uses as much as digits as its factorization.

28347348047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 28347348047 in words is "twenty-eight billion, three hundred forty-seven million, three hundred forty-eight thousand, forty-seven".