47826808829 has 2 divisors, whose sum is σ = 47826808830. Its totient is φ = 47826808828.

The previous prime is 47826808823. The next prime is 47826808831. The reversal of 47826808829 is 92880862874.

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., 36500102500 + 11326706329 = 191050^2 + 106427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47826808829 is a prime.

It is a Sophie Germain prime.

Together with 47826808831, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47826808823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23913404414 + 23913404415.

It is an arithmetic number, because the mean of its divisors is an integer number (23913404415).

Almost surely, 2^47826808829 is an apocalyptic number.

It is an amenable number.

47826808829 is a deficient number, since it is larger than the sum of its proper divisors (1).

47826808829 is an equidigital number, since it uses as much as digits as its factorization.

47826808829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 62.

The spelling of 47826808829 in words is "forty-seven billion, eight hundred twenty-six million, eight hundred eight thousand, eight hundred twenty-nine".