28386629347 has 2 divisors, whose sum is σ = 28386629348. Its totient is φ = 28386629346.

The previous prime is 28386629263. The next prime is 28386629419. The reversal of 28386629347 is 74392668382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28386629347 - 2²⁷ = 28252411619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28386629291 and 28386629300.

It is not a weakly prime, because it can be changed into another prime (28386626347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14193314673 + 14193314674.

It is an arithmetic number, because the mean of its divisors is an integer number (14193314674).

Almost surely, 2^28386629347 is an apocalyptic number.

28386629347 is a deficient number, since it is larger than the sum of its proper divisors (1).

28386629347 is an equidigital number, since it uses as much as digits as its factorization.

28386629347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 58.

The spelling of 28386629347 in words is "twenty-eight billion, three hundred eighty-six million, six hundred twenty-nine thousand, three hundred forty-seven".